Astronomy Picture of the Day ·
GRAIL Maps the Moon's Gravity
The Astronomy Picture of the Day for March 19, 2013 is “GRAIL Maps the Moon's Gravity,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: NASA , JPL-Caltech , MIT , GSFC , SVS). The original explanation runs about 167 words.
From the explanation
“How did the Moon form? To help find out, NASA launched the twin Gravity Recovery and Interior Laboratory (GRAIL) satellites in 2011 to orbit and map the Moon’s surface gravity in unprecedented detail .”
— APOD editors, March 19, 2013
Read the full explanation on science.nasa.gov
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At a glance
- Date
- March 19, 2013
- Type
- Image
- Credit
- Credit: Image Credit & Copyright: NASA , JPL-Caltech , MIT , GSFC , SVS
- Copyright
- Copyrighted by the credited creator. Ask the copyright holder before reusing it.
- Explanation length
- About 167 words