Astronomy Picture of the Day ·

Brown Dwarf Gliese 229B

The Astronomy Picture of the Day for March 24, 1999 is “Brown Dwarf Gliese 229B,” an image. It is credited to Credit: R.H. Brown, D. Trilling (U. Arizona), C. Ftaclas (Michigan Tech), IRTF. The original explanation runs about 149 words.

Brown Dwarf Gliese 229B
Credit: R.H. Brown, D. Trilling (U. Arizona), C. Ftaclas (Michigan Tech), IRTF Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“The spot near the bottom is an image of an unusual type of object: a brown dwarf . A brown dwarf is sometimes called a “failed star” because it does not have enough mass to shine by nuclear fusion .”

— APOD editors, March 24, 1999

Read the full explanation on science.nasa.gov

At a glance

Date
March 24, 1999
Type
Image
Credit
Credit: R.H. Brown, D. Trilling (U. Arizona), C. Ftaclas (Michigan Tech), IRTF
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 149 words

All of March 1999 → · 1999 by month → · Full archive since 1995 →

On this day: March 24 in other years

On Amazon

Popular picks for space fans

As an Amazon Associate I earn from qualifying purchases.

Electronics Amazon Kindle Paperwhite Signature Edition 32GB Read astronomy and space-history books anywhere. View on Amazon → Electronics Bose QuietComfort Wireless Headphones Noise-cancelling headphones for documentaries and launch livestreams. View on Amazon →

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.