Astronomy Picture of the Day ·

Kepler-78b: Earth-Sized Planet Discovered

The Astronomy Picture of the Day for November 5, 2013 is “Kepler-78b: Earth-Sized Planet Discovered,” an image. It is credited to Illustration Credit: David A. Aguilar ( CfA ). The original explanation runs about 163 words.

Kepler-78b: Earth-Sized Planet Discovered
Credit: Illustration Credit: David A. Aguilar ( CfA ) Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Even though Kepler-78b is only slightly larger than the Earth, it should not exist. Its size is extraordinary only in the sense that it is the most similar in size to the Earth of any exoplanet yet directly discovered.”

— APOD editors, November 5, 2013

Read the full explanation on science.nasa.gov

At a glance

Date
November 5, 2013
Type
Image
Credit
Credit: Illustration Credit: David A. Aguilar ( CfA )
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 163 words

All of November 2013 → · 2013 by month → · Full archive since 1995 →

Topics in this entry

The SunExoplanets

Topics are matched from words in the title and explanation.

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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.