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Earthsky Tonight—April 10: Crescent moon above Jupiter at dawn
Posted By Gary Wamsley On April 9, 2010 @ 11:16 pm In Earth & Sky | Comments Disabled
Courtesy of EarthSky
A Clear Voice for Science
 About 30 to 60 minutes before sunrise  on April 11, look for the waning crescent moon  to shine above the dazzling planet Jupiter, with Jupiter barely above the eastern horizon. Binoculars help you to spot these two worlds.
Although the moon and Jupiter appear close together at Sunday dawn, they are not really near each other in space. These worlds simply reside on nearly the same line of sight now. The moon, our closest celestial neighbor, lies about a quarter million miles away. Jupiter – the 5th planet in orbit outward from the sun – lurks way beyond the moon at more than 2,000 times the moon’s distance.
Jupiter is the largest and most massive planet in the solar system. If Jupiter stood at the moon’s distance from Earth, this great big world would appear some 1,600 times larger than the moon in our sky. However, if we placed the moon at Jupiter’s distance from Earth, our moon would appear to be about the same size as Jupiter’s 3rd and 4th largest moons, Io and Europa.
By the way, Jupiter has 63 known moons of its own.
Written by Bruce McClure
StarDate Online 
Sky and Telescope 
National Geographic 
Space Com 
Amazing Space 
Scope City 
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URL to article: http://www.berthoudrecorder.com/2010/04/09/earthsky-tonight%e2%80%94april-10-crescent-moon-above-jupiter-at-dawn/
URLs in this post:
 www.EarthSky.org: http://www.EarthSky.org
 Image: http://www.berthoudrecorder.com/wp-content/uploads/2010/04/phase10.gif
 Image: http://www.berthoudrecorder.com/wp-content/uploads/2010/04/10apr10_430.jpg
 sunrise: http://earthsky.org/tonightpost/astronomy-essentials/sunrisesunset-moonrisemoonset-almanacs
 waning crescent moon: http://earthsky.org/tonightpost/moon-phases/waning-crescent
 Astronomy Picture of the Day from NASA/JPL: http://antwrp.gsfc.nasa.gov/apod/
 CHANDRA Photo Album: http://chandra.harvard.edu/photo/
 U.S. Naval Observator Astronomical Information cente: http://www.usno.navy.mil/USNO/astronomical-applications/astronomical-information-center/astronomical-information-center
 StarDate Online: http://stardate.org/
 Sky and Telescope: http://www.skyandtelescope.com/observing/ataglance/
 National Geographic: http://news.nationalgeographic.com/news/
 Space Com: http://www.space.com/nightsky/
 Amazing Space: http://amazing-space.stsci.edu/tonights_sky/
 The York County Astronomical Society: http://www.ycas.org/tonights_sky.htm
 Scope City: http://www.scopecity.net/
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