Astronomy Picture of the Day ·
A Spherule from Outer Space
The Astronomy Picture of the Day for March 22, 2000 is “A Spherule from Outer Space,” an image. It is credited to Credit: Timothy Culler ( UCB ) et al., Apollo 11 Crew, NASA. The original explanation runs about 126 words.
From the explanation
“When a meteorite strikes the Moon , the energy of the impact melts some of the splattering rock , a fraction of which might cool into tiny glass beads . Many of these glass beads were present in lunar soil samples returned to Earth by the Apollo missions .”
— APOD editors, March 22, 2000
Read the full explanation on science.nasa.gov
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At a glance
- Date
- March 22, 2000
- Type
- Image
- Credit
- Credit: Timothy Culler ( UCB ) et al., Apollo 11 Crew, NASA
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 126 words