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APOD
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
Milky Way and Zodiacal Light over Australian Pinnacles
Explanation: What strange world is this? E a r t h . In the foreground of the featured image are the Pinnacles , unusual rock spires in Nambung National Park in Western Australia . Made of ancient sea shells ( limestone ), how these human-sized picturesque spires formed remains a topic of research . The panorama was taken last month. A ray of zodiacal light , sunlight reflected by dust grains orbiting between the planets in the Solar System , rises from the horizon near the image center. Arching across the top is the central band of our Milky Way Galaxy . The planets Jupiter and Saturn , as well as several famous stars are also visible in the background night sky.
Free Download: The 2018 APOD Calendar
| Date | October 10, 2017 |
|---|---|
| Credit | Image Credit & Copyright: Jingyi Zhang |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |