Astronomy Picture of the Day · January 13, 1999

Sagittarius Star Cloud

The Astronomy Picture of the Day for January 13, 1999 is “Sagittarius Star Cloud,” an image. It is credited to Credit: Hubble Heritage Team (AURA/ STScI/ NASA). The original explanation runs about 126 words.

From the explanation

“Stars come in all different colors. The color of a star indicates its surface temperature , an important property used to assign each star a spectral type .”

— APOD editors, January 13, 1999

Read the full explanation on science.nasa.gov

At a glance

Date: January 13, 1999
Type: Image
Credit: Credit: Hubble Heritage Team (AURA/ STScI/ NASA)
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 126 words

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

Topics in this entry

The Sun

Topics are matched from words in the title and explanation.

On this day: January 13 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

Astronomy Picture of the Day, January 13, 1999 — science.nasa.gov/image-article/apod-1999-january-13-sagittarius-star-cloud

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.