Astronomy Picture of the Day ·
A Mystery In Gamma Rays
The Astronomy Picture of the Day for August 11, 2001 is “A Mystery In Gamma Rays,” an image. It is credited to Credit: N. Gehrels, D. Macomb, D. Bertsch, D. Thompson, R. Hartman ( GSFC ), EGRET , NASA. The original explanation runs about 197 words.
From the explanation
“Gamma rays are the most energetic form of light, packing a million or more times the energy of visible light photons. If you could see gamma rays, the familiar skyscape of steady stars would be replaced by some of the most bizarre objects known to modern astrophysics — and some which are unknown .”
— APOD editors, August 11, 2001
Read the full explanation on science.nasa.gov
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At a glance
- Date
- August 11, 2001
- Type
- Image
- Credit
- Credit: N. Gehrels, D. Macomb, D. Bertsch, D. Thompson, R. Hartman ( GSFC ), EGRET , NASA
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 197 words