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Astronomy Picture Of the Day (APOD)
Contemplating Mars
2.09.2003
Is that really another world? Thousands of people the world over lined up last week to see Mars through a telescope as the red planet and Earth passed unusually close together in their orbits around the Sun. Reviews of Mars were mixed, with some people disappointed that Mars still appeared somewhat blurry.
A Beautiful Trifid
1.09.2003
The beautiful Trifid Nebula (aka M20), a photogenic study in cosmic contrasts, lies about 5,000 light-years away toward the nebula rich constellation Sagittarius. A star forming region in the plane of our galaxy...
The View from Everest
31.08.2003
What would it be like to stand atop the tallest mountain on Earth? To see a full panoramic vista from there, scroll right. Visible are snow peaked mountains near and far, tremendous cliffs, distant plateaus, the tops of clouds, and a dark blue sky. Mt.
Recycling Cassiopeia A
30.08.2003
For billions of years, massive stars in our Milky Way Galaxy have lived spectacular lives. Collapsing from vast cosmic clouds, their nuclear furnaces ignite and create heavy elements in their cores. After a few million years, the enriched material is blasted back into interstellar space where star formation begins anew.
The Mineral Moon
29.08.2003
Even if the Moon really were made of green cheese it probably wouldn't look this bizarre. Still, this mosaic of 53 images was recorded by the Jupiter-bound Galileo spacecraft as it passed near our own large natural satellite in 1992.
Mars Rising Behind Elephant Rock
28.08.2003
Yesterday, at about 10 am Universal Time, Mars and Earth passed closer than in nearly 60,000 years. Mars, noticeably red, remains the brightest object in the eastern sky just after sunset. The best...
Big Mars from Hubble
27.08.2003
At about 10 am Universal Time today, Mars and Earth will pass closer than in nearly 60,000 years. Mars, noticeably red, will be the brightest object in the eastern sky just after sunset.
Earth Webcam Catches Mars Rotation
26.08.2003
Mars won't look this good. Tonight and over the next few days, when Mars is at its closest approach to Earth in nearly 60,000 years, you might get your best view ever of our planetary neighbor.
The Northern Milky Way
25.08.2003
Many of the stars in our home Milky Way Galaxy appear together as a dim band on the sky that passes nearly over the Earth's north and south poles. Pictured above is the part of our Galaxy that passes closest over the north pole.
Valles Marineris: The Grand Canyon of Mars
24.08.2003
The largest canyon in the Solar System cuts a wide swath across the face of Mars. Named Valles Marineris, the grand valley extends over 3,000 kilometers long, spans as much as 600 kilometers across, and delves as much as 8 kilometers deep.
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