
November 26, 2015
Planets of the Morning

November 26, 2015
Planets of the Morning
A little universe, just for you
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APOD published November 26, 2015. Credit: Yuri Beletsky. A publication-date match, not a photo taken on your date. Independent of NASA.
Planet Earth's horizon stretches across this recent Solar System group portrait, seen from the southern hemisphere's Las Campanas Observatory. Taken before dawn it traces the ecliptic with a line-up familiar to November's early morning risers. Toward the east are bright planets Venus, Mars, and Jupiter as well as Regulus, alpha star of the constellation Leo. Of course the planets are immersed in the faint glow of zodiacal light, visible from the dark site rising at an angle from the horizon. Sometimes known as the false dawn, it's no accident the zodiacal light and planets both lie along the ecliptic. Formed in the flattened protoplanetary disk, the Solar System's planets all orbit near the ecliptic plane, while dust near the plane scatters sunlight, the source of the faint zodiacal glow.
Image credit: Yuri Beletsky