Astronomy Picture of the Day · March 31, 2005

Gamma-Ray Earth

The Astronomy Picture of the Day for March 31, 2005 is “Gamma-Ray Earth,” an image. It is credited to Credit: Dirk Petry ( GLAST Science Support Center), EUD , EGRET , NASA. The original explanation runs about 183 words.

From the explanation

“The pixelated planet above is actually our own planet Earth seen in gamma rays – the most energetic form of light. In fact, the gamma rays used to construct this view pack over 35 million electron volts (MeV) compared to a mere two electron volts (eV) for a typical visible light photon.”

— APOD editors, March 31, 2005

Read the full explanation on science.nasa.gov

At a glance

Date: March 31, 2005
Type: Image
Credit: Credit: Dirk Petry ( GLAST Science Support Center), EUD , EGRET , NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 183 words

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Source

Astronomy Picture of the Day, March 31, 2005 — science.nasa.gov/image-article/apod-2005-march-31-gamma-ray-earth

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.