Asteroids are 'mini-planets', rocks small and big mostly between Mars and Jupiter. The brightest of them, Vesta, is shown above in this animated photo. Its movement in severn days against background stars is quite obvious. See
the asteroids section
for more images.
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All images by Jerry Xiaojin Zhu unless noted otherwise. Feel free to use them for your personal enjoyment. For other usage please contact the author at jerryzhu@gmail.com