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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.
Apollo 11: Catching Some Sun
Explanation: Bright sunlight glints and long dark shadows mark this image of the lunar surface . It was taken July 20, 1969 by Apollo 11 astronaut Neil Armstrong , the first to walk on the Moon . Pictured is the mission's lunar module, the Eagle, and spacesuited lunar module pilot Buzz Aldrin unfurling a long sheet of foil also known as the Solar Wind Composition Experiment . Exposed facing the Sun, the foil trapped particles streaming outward in the solar wind, catching a sample of material from the Sun itself. Along with moon rocks and lunar soil samples, the solar wind collector was returned for analysis in earthbound laboratories .
| Date | July 22, 2017 |
|---|---|
| Credit | Image Credit: Apollo 11 , NASA (Image scanned by Kipp Teague) |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |