Public domain
Kepler-20f -- An Earth-size World Artist Concept
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
Kepler-20f is the closest object to the Earth in terms of size ever discovered. With an orbital period of 20 days and a surface temperature of 800 degrees Fahrenheit 430 degrees Celsius, it is too hot to host life, as we know it.
NASA Image and Video Library’s own descriptionCredit lineKepler-20f -- An Earth-size World Artist Concept. NASA/JPL, 2011-12-20. Public domain. ID: PIA14889.
