Astronomy Picture of the Day · January 21, 2000

X For Andromeda

The Astronomy Picture of the Day for January 21, 2000 is “X For Andromeda,” an image. It is credited to Credit: S. Murray, M. Garcia, et al., ( CfA ) SAO , CXO , NASA. The original explanation runs about 214 words.

From the explanation

“A big beautiful spiral galaxy 2 million light-years away, Andromeda (M31) has long been touted as an analog to the Milky Way, a distant mirror of our own galaxy. The popular 1960s British sci-fi series, A For Andromeda , even postulated that it was home to another technological civilization that communicated with us.”

— APOD editors, January 21, 2000

Read the full explanation on science.nasa.gov

At a glance

Date: January 21, 2000
Type: Image
Credit: Credit: S. Murray, M. Garcia, et al., ( CfA ) SAO , CXO , NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 214 words

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Topics in this entry

The Milky Way Andromeda Galaxy Galaxies Black holes

Topics are matched from words in the title and explanation.

On this day: January 21 in other years

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Source

Astronomy Picture of the Day, January 21, 2000 — science.nasa.gov/image-article/apod-2000-january-21-x-for-andromeda

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.