Wherepercent27s the moon located right now - The Quick View of 2023 Moon Phases & Eclipses (directly above) will verify the lunar phase on any day of the current year. Its dates are based on UTC (Coordinated Universal Time), which is essentially equivalent to GMT (Greenwich Mean Time). This 2023 Phases of the Moon List gives the time of each major phase.

 
Link this view: View Moon with Google Earth: About: Loading Moon Maps.... Jerome

Moonrise and moonset time, Moon direction, and Moon phase in Houston – Texas – USA for September 2023. When and where does the Moon rise and set?Published: March 17, 2020 This simulated view of our solar system runs on real data. The positions of the planets, moons and spacecraft are shown where they are right now. Credit: NASA/JPL-Caltech Page Updated: March 17, 2020 My NASA Data Eclipse ResourcesA more traditional version of the disrupted-moon theory is that the rings are composed of debris from a moon 400 to 600 km (200 to 400 miles) in diameter, slightly larger than Mimas. The last time there were collisions large enough to be likely to disrupt a moon that large was during the Late Heavy Bombardment some four billion years ago.May 9, 2022 · On Jan. 20-21, 2019, the supermoon coincided with a lunar eclipse. Lunar eclipses occur when the Earth is exactly between the sun and the moon. The moon shines brown-red because the only light it ... The Moon, tinted reddish, during a lunar eclipse. Eclipses only occur when the Sun, Earth, and Moon are all in a straight line (termed "syzygy"). Solar eclipses occur at new moon, when the Moon is between the Sun and Earth. In contrast, lunar eclipses occur at full moon, when Earth is between the Sun and Moon.There are 8 lunar phases the Moon goes through in its 29.53 days lunar cycle. The 4 major Moon phases are Full Moon, New Moon, First Quarter and Last Quarter. Between these major phases, there are 4 minor ones: the Waxing Crescent, Waxing Gibbous, Waning Gibbous and Waning Crescent. For more info on the Moon Cycle and on each phase check out ...A more traditional version of the disrupted-moon theory is that the rings are composed of debris from a moon 400 to 600 km (200 to 400 miles) in diameter, slightly larger than Mimas. The last time there were collisions large enough to be likely to disrupt a moon that large was during the Late Heavy Bombardment some four billion years ago. Jul 27, 2022 · With a radius of about 1,080 miles (1,740 kilometers), the Moon is less than a third of the width of Earth. If Earth were the size of a nickel, the Moon would be about as big as a coffee bean. The Moon is an average of 238,855 miles (384,400 kilometers) away. That means 30 Earth-sized planets could fit in between Earth and the Moon. Sep 29, 2016 · Moonrise and moonset time, Moon direction, and Moon phase in Phoenix – Arizona – USA for September 2023. When and where does the Moon rise and set? My current location is a free online tool that can be used to identify your present position and display the "where is my location" on a map with exact geographic coordinates. My current location tool will provide you with the latitude and longitude, as well as an address on a map. Therefore, for meetup purposes, you can share "my location now ...Like Earth, the Moon has a day side and a night side, which change as the Moon rotates. Moon Phases Between four and seven times a year, Earth, Moon and Sun line up just right to create the cosmic-scale shadow show known as an eclipse. Atmospheric pressure is the total weight of the air above unit area at the point where the pressure is measured. Thus air pressure varies with location and weather. If the entire mass of the atmosphere had a uniform density equal to sea level density (about 1.2 kg per m 3. e scale height) -- for altitudes out to around 70 km (43 mi; 230,000 ft ...The full moon is the lunar phase when the Moon appears fully illuminated from Earth 's perspective. This occurs when Earth is located between the Sun and the Moon (when the ecliptic longitudes of the Sun and Moon differ by 180° ). [3] This means that the lunar hemisphere facing Earth—the near side —is completely sunlit and appears as an ...Search Location; Today's Moon Phase; Moonrise Moonset 2023; Moon Calendar 2023; Moon Phases 2023; Moon Phases 2024; Moon Phases Aug 2023; Moon Phases Sep 2023; Full Moon 2023; Full Moon 2024; New Moon 2023; New Moon 2024; When is the next full moon? When is the next new moon?First Quarter Moon. Waxing Gibbous Moon. Full Moon. Waning Gibbous Moon. Third Quarter Moon. Waning Crescent Moon. Primary Moon phases happen at a specific moment in time, while the time between these moments are the intermediate Moon phases. The lunar cycle lasts about 29.5 days, just under a calendar month.What is the Moon position today? What is the position of Mars or Saturn or Jupiter right now? What planets are in retrograde? Find answer to these questions and many more. September 05, 2023 Planetary Positions. Chart below shows the planet position and its aspect for September 05, 2023 05:59 pm (EDT).The Moon passes through the 2 extreme points–or apsides–perigee and apogee about once a month. The time it takes for the Moon to travel from perigee to perigee, is called the anomalistic month, and takes around 27.55455 days. This is not to be confused with the synodic month, which lasts a little longer, and is the time it takes the Moon to ... The full moon on September 29th will be the fourth and final supermoon of the year. As we mentioned in last month's video, supermoons are full moons that occur when the Moon is near the closest point in its orbit around Earth. This month's full moon is also known as the Harvest Moon, being the closest full moon to the September equinox.Why is the Sun's corona so much hotter than the Sun's surface? (more unsolved problems in astronomy) The temperature of the photosphere is approximately 6,000 K, whereas the temperature of the corona reaches 1,000,000–2,000,000 K. The high temperature of the corona shows that it is heated by something other than direct heat conduction from the photosphere. It is thought that the energy ...Be prepared with the most accurate 10-day forecast for Baltimore, MD with highs, lows, chance of precipitation from The Weather Channel and Weather.com Display Time. 02 Sep 2023 12:13:35 (EDT) Virginia Beach. Sun 58° above horizon. Mapping provided by https://hilltopviews.org.uk. The map above shows where on Earth it is currently day time, night time, or twilight. Hovering the mouse over any location on the map will show the map will show the altitude of the Sun as seen from that location.By Vigdis Hocken and Aparna Kher. A total lunar eclipse takes place when the Earth comes between the Sun and the Moon and its shadow covers the Moon. Eclipse watchers can see the Moon turn red when the eclipse reaches totality. Next Total Lunar Eclipse: Fri, Mar 14, 2025 …. See animation. Next Eclipse: Annular Solar Eclipse – Sat, Oct 14 ...Link this view: View Moon with Google Earth: About: Loading Moon Maps...Image via Guy Ottewell. Used with permission. Bottom line: Evening planets in September are Saturn – visible all night – with faint Mars in the western evening twilight, and Jupiter rising ...The Moon Distance Calculator calculates the approximate minumum and maximum distances from the Moon to the Earth. The Moon's distance to Earth varies. The two extreme points of the Moon’s orbit each month are known as the lunar perigee and apogee. The table below shows the time of lunar perigee and apogee. 2022; year 2023; 2024This graphic shows the position of the Moon and the Sun during each of the Moon’s phases and the Moon as it appears from Earth during each phase. Not to scale. Credit: NASA/JPL-Caltech. Like Earth, the Moon has a day side and a night side, which change as the Moon rotates. The Sun always illuminates half of the Moon while the other half ...Current Time: Sep 4, 2023 at 2:49:44 pm: Moon Direction: ↑ 324° Northwest: Moon Altitude: -19.6° Moon Distance: 234,957 mi: Next New Moon: Sep 14, 2023, 8:39 pm Aug 15, 2023 · 18 Aug 2023, Time 2.8% Visibility New moon Phase 405 679 km Distance to Earth Pisces Moon sign Upcoming moon phases 24 Aug 2023, 09:58 First quarter Share on Facebook Tweet Moon Moon, or Luna in Latin, is planet Earth’s one and only natural satellite and the brightest object in the night sky. Link this view: View Moon with Google Earth: About: Loading Moon Maps...Search Location; Today's Moon Phase; Moonrise Moonset 2023; Moon Calendar 2023; Moon Phases 2023; Moon Phases 2024; Moon Phases Aug 2023; Moon Phases Sep 2023; Full Moon 2023; Full Moon 2024; New Moon 2023; New Moon 2024; When is the next full moon? When is the next new moon?What is my location now? Where am I right now? Your current location right now is shown on the Apple map below as a blue marker. You can also find out your location coordinates and your location address to answer " where am I ".First Quarter Moon. Waxing Gibbous Moon. Full Moon. Waning Gibbous Moon. Third Quarter Moon. Waning Crescent Moon. Primary Moon phases happen at a specific moment in time, while the time between these moments are the intermediate Moon phases. The lunar cycle lasts about 29.5 days, just under a calendar month. The Moon, tinted reddish, during a lunar eclipse. Eclipses only occur when the Sun, Earth, and Moon are all in a straight line (termed "syzygy"). Solar eclipses occur at new moon, when the Moon is between the Sun and Earth. In contrast, lunar eclipses occur at full moon, when Earth is between the Sun and Moon.The Quick View of 2023 Moon Phases & Eclipses (directly above) will verify the lunar phase on any day of the current year. Its dates are based on UTC (Coordinated Universal Time), which is essentially equivalent to GMT (Greenwich Mean Time). This 2023 Phases of the Moon List gives the time of each major phase. 342.457°. Every year since 2011, the SVS produces its annual visualization of the Moon's phase and libration comprising 8760 hourly renderings of the precise size, orientation, and illumination of our nearest neighbor in space. The above displays the current state of the Moon. Click on the image to download a much larger version with labeled ...The Moon passes through the 2 extreme points–or apsides–perigee and apogee about once a month. The time it takes for the Moon to travel from perigee to perigee, is called the anomalistic month, and takes around 27.55455 days. This is not to be confused with the synodic month, which lasts a little longer, and is the time it takes the Moon to ... The term “supermoon” was coined in 1979 and is often used to describe what astronomers would call a perigean ( pear-ih-jee-un) full moon: a full moon occurring near or at the time when the Moon is at the closest point in its orbit around Earth. The term gives preference to the geometric alignment of Sun-Earth-Moon and allows the occurrence ...Like Earth, the Moon has a day side and a night side, which change as the Moon rotates. Moon Phases Between four and seven times a year, Earth, Moon and Sun line up just right to create the cosmic-scale shadow show known as an eclipse. My current location is a free online tool that can be used to identify your present position and display the "where is my location" on a map with exact geographic coordinates. My current location tool will provide you with the latitude and longitude, as well as an address on a map. Therefore, for meetup purposes, you can share "my location now ... May 23, 2023 · New NASA Map Details 2023 and 2024 Solar Eclipses in the US. While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface. Just slightly larger than nearby Venus, Earth is the biggest of the four planets closest to the Sun, all of which are made of rock and metal. With a radius of about 1,080 miles (1,740 kilometers), the Moon is less than a third of the width of Earth. If Earth were the size of a nickel, the Moon would be about as big as a coffee bean. The Moon is an average of 238,855 miles (384,400 kilometers) away. That means 30 Earth-sized planets could fit in between Earth and the Moon.Jan 18, 2023 · The Moon’s orbit of Earth. The Moon’s orbital path around Earth is a slight ellipse, so each month there’s a near-point (perigee) and a far-point (apogee).At perigee the Moon appears a ... My Location uses the Geolocation technology that is built-in with your browser which has access to your current location. Geolocation will find your location using latitude and longitude which are the precise location of a point on earth. To use my location tool, we need to get your permission to use the geolocation.Sep 6, 2023 · With our 2023 Moon Phase Calendar, you'll find the current Moon phase for tonight—plus, all the phases of the Moon for each day of the month. We also highlight the date and time for the four main Moon phases—the new Moon, first quarter, full Moon, and last quarter Moon—as well as provide daily Moon illumination percentages and the Moon's ... Jul 17, 2014 · Most of the time we observe the moon around first quarter, when the Sun is rising in the east (to our right) over the surface of the moon. This week, the Sun is setting towards the moon's western ... MoonCalc shows the motion of the Moon and Moon phase for a particular day at a particular location. You can see the moon positions for moon rising, selected time and Moonset. The thin yellow-colored curve shows the trajectory of the moon. The closer the moon in the middle, the higher the moon above the horizon.Mar 22, 2023 · The brightest and largest object in our night sky, the Moon makes Earth a more livable planet by moderating our home planet's wobble on its axis, leading to a relatively stable climate. It also causes tides, creating a rhythm that has guided humans for thousands of years. The Moon was likely formed after a Mars-sized body collided with Earth. TimeandDate.com says the partial eclipse phase of the moon begins May 15 at 10:28 p.m. EDT (0228 GMT on May 16). The Blood Moon peak starts May 16 at 12:11 a.m. EDT (0411 GMT). Then the event ends ...With our 2023 Moon Phase Calendar, you'll find the current Moon phase for tonight—plus, all the phases of the Moon for each day of the month. We also highlight the date and time for the four main Moon phases—the new Moon, first quarter, full Moon, and last quarter Moon—as well as provide daily Moon illumination percentages and the Moon's ...The Sky Tonight Which planets are visible in the night sky from your location. May 9, 2023 · Today's moon phase. Today, the moon phase is Last Quarter, with an illumination of 62.7%. It is currently 20.94 days old on Tuesday, September 5, 2023. The moon is currently located in the constellation of ♉ Taurus. A partial eclipse will begin at 10:27 p.m. ET Sunday, with the total lunar eclipse starting at 11:29 p.m. ET, according to EarthSky. The total eclipse will end at 12:53 a.m. ET Monday, and the ...angle between the direction of the sun and moon. Now drag the moon around the sun to. a variety of different locations and note the appearance of the Moon Phase. Describe. how the value of the angle correlates with the appearance of the moon. The value of the angle is smallest – 0° – at the new moon, and largest – approximately 180° – atToday's moon phase. Today, the moon phase is Last Quarter, with an illumination of 62.7%. It is currently 20.94 days old on Tuesday, September 5, 2023. The moon is currently located in the constellation of ♉ Taurus.0h 2' 46.68''. Moon Declinaton [°]: -2.157. See Also: Earth Time Clock. animated visualization of the Earth's rotation. Where Is The Moon is part of unitarium.com. Earth image source: nasa.gov. Upcoming Solar Eclipse. Check visibility and exact times in your location. Hybrid Solar Eclipse over Australia & Asia. Link this view: View Moon with Google Earth: About: Loading Moon Maps... Exploration. The moon is Earth's most constant companion and the easiest celestial object to find in the night sky. The rhythm of the phases of the moon has guided humanity for millennia; for ...This graphic shows the position of the Moon and the Sun during each of the Moon’s phases and the Moon as it appears from Earth during each phase. Not to scale. Credit: NASA/JPL-Caltech. Like Earth, the Moon has a day side and a night side, which change as the Moon rotates. The Sun always illuminates half of the Moon while the other half ...A partial eclipse will begin at 10:27 p.m. ET Sunday, with the total lunar eclipse starting at 11:29 p.m. ET, according to EarthSky. The total eclipse will end at 12:53 a.m. ET Monday, and the ...0h 2' 46.68''. Moon Declinaton [°]: -2.157. See Also: Earth Time Clock. animated visualization of the Earth's rotation. Where Is The Moon is part of unitarium.com. Earth image source: nasa.gov. Upcoming Solar Eclipse. Check visibility and exact times in your location. Hybrid Solar Eclipse over Australia & Asia.Search Location; Today's Moon Phase; Moonrise Moonset 2023; Moon Calendar 2023; Moon Phases 2023; Moon Phases 2024; Moon Phases Aug 2023; Moon Phases Sep 2023; Full Moon 2023; Full Moon 2024; New Moon 2023; New Moon 2024; When is the next full moon? When is the next new moon?Today’s and tonight’s Louisville, KY weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.com Give the direction relative to the line connecting the Moon and the Sun. V ΑΣφ. ° toward the Earth off the line from the Moon to the Sun. When the Earth, Moon, and Sun form a right triangle, with the Moon located at the right angle, as shown in the figure (Figure 1), the Moon is in its third-quarter phase. (The Earth is viewed here from ... Feb 7, 2022 · The moon's mass is 7.35 x 1022 kg, about 1.2% of Earth's mass. Put another way, Earth weighs 81 times more than the moon. The moon's density is 3.34 grams per cubic centimeter (3.34 g/cm3). That ... Typically, full moons occur every 29 days, while most months in our calendar last 30 or 31 days, so the months and moon phases don’t always align. This results in a blue moon about every 2.5 ...Published: March 17, 2020 This simulated view of our solar system runs on real data. The positions of the planets, moons and spacecraft are shown where they are right now. Credit: NASA/JPL-Caltech Page Updated: March 17, 2020 My NASA Data Eclipse ResourcesAtmospheric pressure is the total weight of the air above unit area at the point where the pressure is measured. Thus air pressure varies with location and weather. If the entire mass of the atmosphere had a uniform density equal to sea level density (about 1.2 kg per m 3. e scale height) -- for altitudes out to around 70 km (43 mi; 230,000 ft ...Aug 30, 2023 · Tonight (Aug. 30) at shortly after 8:30 p.m. eastern time, through the morning of Sept. 1, a rare “super blue moon” will rise in the skies, creating a spectacle that thrills photographers ... MoonCalc shows the motion of the Moon and Moon phase for a particular day at a particular location. You can see the moon positions for moon rising, selected time and Moonset. The thin yellow-colored curve shows the trajectory of the moon. The closer the moon in the middle, the higher the moon above the horizon.Planets Visible in the Night Sky in Roanoke Rapids, North Carolina, USA. Time Zone. DST Changes. Sun & Moon Today Sunrise & Sunset Moonrise & Moonset Moon Phases Eclipses Night Sky.The Moon begins to enter Earth’s umbra and the partial eclipse begins. To the naked eye, as the Moon moves into the umbra, it looks like a bite is being taken out of the lunar disk. The part of the Moon inside the umbra will appear very dark. 3:29: 11:29 p.m. 8:29 p.m. Totality begins: The entire Moon is now in the Earth’s umbra.Your one-stop shop for the solar system and space. Find everything from sunrise & moonrise times to how to see planets & meteors—from any location on Earth.Well, the Moon is not always the same distance away from Earth. The orbit is not a perfect circle. When the Moon is the farthest away, it’s 252,088 miles away. That’s almost 32 Earths. When it's closest, the Moon is 225,623 miles away. That’s between 28 and 29 Earths.Children's fairytales tell us that the moon is made of cheese, but like all bodies in the solar system, rock is the more realistic ingredient. The moon's surface is covered with dead volcanoes ...Children's fairytales tell us that the moon is made of cheese, but like all bodies in the solar system, rock is the more realistic ingredient. The moon's surface is covered with dead volcanoes ...The Moon begins to enter Earth’s umbra and the partial eclipse begins. To the naked eye, as the Moon moves into the umbra, it looks like a bite is being taken out of the lunar disk. The part of the Moon inside the umbra will appear very dark. 3:29: 11:29 p.m. 8:29 p.m. Totality begins: The entire Moon is now in the Earth’s umbra.Atmospheric pressure is the total weight of the air above unit area at the point where the pressure is measured. Thus air pressure varies with location and weather. If the entire mass of the atmosphere had a uniform density equal to sea level density (about 1.2 kg per m 3. e scale height) -- for altitudes out to around 70 km (43 mi; 230,000 ft ...A partial eclipse will begin at 10:27 p.m. ET Sunday, with the total lunar eclipse starting at 11:29 p.m. ET, according to EarthSky. The total eclipse will end at 12:53 a.m. ET Monday, and the ...The next full moon will be on Friday, Sept. 29 at 5:57 a.m. ET (0957 GMT), but the moon will still appear full the night before and after its peak to the casual stargazer. It comes after the ...

New NASA Map Details 2023 and 2024 Solar Eclipses in the US. While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface. Just slightly larger than nearby Venus, Earth is the biggest of the four planets closest to the Sun, all of which are made of rock and metal.. Rex

wherepercent27s the moon located right now

Quick Facts: Earth has just one moon – a rocky, cratered place, roughly a quarter the size of Earth and an average of 238,855 miles away. The Moon can be seen with the naked eye most nights as it traces its 27-day orbit around our planet. All 3D models in the page have loaded. Explore the Moon!Link this view: View Moon with Google Earth: About: Loading Moon Maps...May 23, 2023 · New NASA Map Details 2023 and 2024 Solar Eclipses in the US. While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface. Just slightly larger than nearby Venus, Earth is the biggest of the four planets closest to the Sun, all of which are made of rock and metal. The Sky Tonight Which planets are visible in the night sky from your location. angle between the direction of the sun and moon. Now drag the moon around the sun to. a variety of different locations and note the appearance of the Moon Phase. Describe. how the value of the angle correlates with the appearance of the moon. The value of the angle is smallest – 0° – at the new moon, and largest – approximately 180° – at The full moon is the lunar phase when the Moon appears fully illuminated from Earth 's perspective. This occurs when Earth is located between the Sun and the Moon (when the ecliptic longitudes of the Sun and Moon differ by 180° ). [3] This means that the lunar hemisphere facing Earth—the near side —is completely sunlit and appears as an ... 18 Aug 2023, Time 2.8% Visibility New moon Phase 405 679 km Distance to Earth Pisces Moon sign Upcoming moon phases 24 Aug 2023, 09:58 First quarter Share on Facebook Tweet Moon Moon, or Luna in Latin, is planet Earth’s one and only natural satellite and the brightest object in the night sky.The last time a super blue moon appeared in the sky was Jan. 31, 2018, and the next won’t occur until Jan. 31, 2037, according to Rice. The finale of 2023’s supermoon series — fall’s ...MoonCalc shows the motion of the Moon and Moon phase for a particular day at a particular location. You can see the moon positions for moon rising, selected time and Moonset. The thin yellow-colored curve shows the trajectory of the moon. The closer the moon in the middle, the higher the moon above the horizon.My current location is a free online tool that can be used to identify your present position and display the "where is my location" on a map with exact geographic coordinates. My current location tool will provide you with the latitude and longitude, as well as an address on a map. Therefore, for meetup purposes, you can share "my location now ...18 Aug 2023, Time 2.8% Visibility New moon Phase 405 679 km Distance to Earth Pisces Moon sign Upcoming moon phases 24 Aug 2023, 09:58 First quarter Share on Facebook Tweet Moon Moon, or Luna in Latin, is planet Earth’s one and only natural satellite and the brightest object in the night sky.Moonrise and moonset time, Moon direction, and Moon phase in Phoenix – Arizona – USA for September 2023. When and where does the Moon rise and set?Scientology. Scientology is a set of beliefs and practices invented by the American author L. Ron Hubbard, and an associated movement. It is variously defined as a cult, a business, or a new religious movement. [11] Hubbard initially developed a set of ideas that he called Dianetics, which he represented as a form of therapy.Viewing Guide. The Moon is Earth’s constant companion, the first skywatching target pointed out to us as children. We watch its face change as the month progresses, and see patterns and pictures in its geological features. It’s the object in the night sky that humanity knows best ― and the one that’s easiest to study.Why is the Sun's corona so much hotter than the Sun's surface? (more unsolved problems in astronomy) The temperature of the photosphere is approximately 6,000 K, whereas the temperature of the corona reaches 1,000,000–2,000,000 K. The high temperature of the corona shows that it is heated by something other than direct heat conduction from the photosphere. It is thought that the energy ...Mar 22, 2023 · The brightest and largest object in our night sky, the Moon makes Earth a more livable planet by moderating our home planet's wobble on its axis, leading to a relatively stable climate. It also causes tides, creating a rhythm that has guided humans for thousands of years. The Moon was likely formed after a Mars-sized body collided with Earth. Sep 3, 2023 · 342.457°. Every year since 2011, the SVS produces its annual visualization of the Moon's phase and libration comprising 8760 hourly renderings of the precise size, orientation, and illumination of our nearest neighbor in space. The above displays the current state of the Moon. Click on the image to download a much larger version with labeled ... Aug 30, 2023 · Typically, full moons occur every 29 days, while most months in our calendar last 30 or 31 days, so the months and moon phases don’t always align. This results in a blue moon about every 2.5 ... Sep 3, 2023 · 342.457°. Every year since 2011, the SVS produces its annual visualization of the Moon's phase and libration comprising 8760 hourly renderings of the precise size, orientation, and illumination of our nearest neighbor in space. The above displays the current state of the Moon. Click on the image to download a much larger version with labeled ... Aug 21, 2023 · Moon Locator. Time: AD 2023-08-21 PM 11:20:53.859 (Mon) Mountain Daylight Time. The moon is located 13.0355° below the horizon (setting). Illuminated fraction: 28.33% (waxing). 121.4 degrees clockwise (238.6 degrees counterclockwise) from zenith. View source of This FSP page or the page that draws the moon or the astronomical library used by ... .

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