Astronomy Picture of the Day ·

Cosmic Rays and Supernova Dust

The Astronomy Picture of the Day for June 18, 1998 is “Cosmic Rays and Supernova Dust,” an image. It is credited to Credit: M. DeBord, R. Ramaty and B. Kozlovsky (GSFC), R. Lingenfelter (UCSD), NASA. The original explanation runs about 178 words.

Cosmic Rays and Supernova Dust
Credit: M. DeBord, R. Ramaty and B. Kozlovsky (GSFC), R. Lingenfelter (UCSD), NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Cosmic Rays are celestial high energy particles traveling at nearly the speed of light, which constantly bombard the Earth. Discovered during high altitude balloon flights in 1912 their source has been a long standing mystery.”

— APOD editors, June 18, 1998

Read the full explanation on science.nasa.gov

At a glance

Date
June 18, 1998
Type
Image
Credit
Credit: M. DeBord, R. Ramaty and B. Kozlovsky (GSFC), R. Lingenfelter (UCSD), NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 178 words

All of June 1998 → · 1998 by month → · Full archive since 1995 →

Topics in this entry

Supernovae

Topics are matched from words in the title and explanation.

On this day: June 18 in other years

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Source

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.