Astronomy Picture of the Day · January 14, 2001

Kepler Discovers How Planets Move

The Astronomy Picture of the Day for January 14, 2001 is “Kepler Discovers How Planets Move,” an image. It is credited to Credit: Johnnes Kepler Gesammelte Werke , C. H. Beck, 1937. The original explanation runs about 125 words.

From the explanation

“Johannes Kepler used simple mathematics to describe how planets move. Kepler was an assistant to the most accurate astronomical observer of the time, Tycho Brahe .”

— APOD editors, January 14, 2001

Read the full explanation on science.nasa.gov

At a glance

Date: January 14, 2001
Type: Image
Credit: Credit: Johnnes Kepler Gesammelte Werke , C. H. Beck, 1937
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 January 2001 → · 2001 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 14 in other years

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Source

Astronomy Picture of the Day, January 14, 2001 — science.nasa.gov/image-article/apod-2001-january-14-kepler-discovers-how-planets-move

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.