Exomoon orbiting its planet (artist’s impression)

This artist’s impression depicts the exomoon candidate Kepler-1625b-i, the planet it is orbiting and the star in the centre of the star system. Kepler-1625b-i is the first exomoon candidate and, if confirmed, the first moon to be found outside the Solar System.

Like many exoplanets, Kepler-1625b-i was discovered using the transit method. Exomoons are difficult to find because they are smaller than their companion planets, so their transit signal is weak, and their position in the system changes with each transit because of their orbit. This requires extensive modelling and data analysis.

Credit:

NASA, ESA, and L. Hustak (STScI)

About the Image

Id:heic1817a
Type:Artwork
Release date:3 October 2018, 20:00
Related releases:heic1817
Size:3000 x 1800 px

About the Object

Name:Kepler-1625b
Type:Milky Way : Planet : Satellite
Category:Exoplanets

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