Astronomy Picture of the Day ·
Two Million Stars on the Move
The Astronomy Picture of the Day for April 17, 2017 is “Two Million Stars on the Move,” a video. It is credited to Video Credit: ESA , Gaia , DPAC. The original explanation runs about 155 words.
Watch the video on the original page From the explanation
“If you could watch the night sky for one million years — how would it change? Besides local effects caused by the Earth’s spin and the reorientation of the Earth’s spin axis , the stars themselves will move.”
— APOD editors, April 17, 2017
Read the full explanation on science.nasa.gov
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At a glance
- Date
- April 17, 2017
- Type
- Video
- Credit
- Credit: Video Credit: ESA , Gaia , DPAC
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 155 words