Astronomy Picture of the Day ·

GL 229B: An Elusive Brown Dwarf?

The Astronomy Picture of the Day for December 4, 1995 is “GL 229B: An Elusive Brown Dwarf?,” an image. It is credited to Credit: 60-inch Telescope, Palomar Observatory, T. Nakajima (Caltech), S. Durrance (JHU). The original explanation runs about 125 words.

GL 229B: An Elusive Brown Dwarf?
Credit: 60-inch Telescope, Palomar Observatory, T. Nakajima (Caltech), S. Durrance (JHU) Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“What type of matter makes up most of the universe? This question is arguably the most perplexing astronomical mystery of our time.”

— APOD editors, December 4, 1995

Read the full explanation on science.nasa.gov

At a glance

Date
December 4, 1995
Type
Image
Credit
Credit: 60-inch Telescope, Palomar Observatory, T. Nakajima (Caltech), S. Durrance (JHU)
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 125 words

All of December 1995 → · 1995 by month → · Full archive since 1995 →

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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.