A trio of super-Earths (artist's impression)

Artist's impression of the trio of super-Earths discovered by an European team using the HARPS spectrograph on the ESO 3.6-metre telescope at La Silla, Chile, after 5 years of monitoring. The three planets, having 4.2, 6.7, and 9.4 times the mass of the Earth, orbit the star HD 40307 with periods of 4.3, 9.6, and 20.4 days, respectively.

Créditos:

ESO

Sobre a imagem

Id:eso0819a
Tipo:Ilustração
Data de divulgação:16 de Junho de 2008
Notícias relacionadas:eso0819
Tamanho:6001 x 4368 px

Sobre o objeto

Nome:HD 40307
Tipo:Milky Way : Star : Circumstellar Material : Planetary System
Milky Way : Star : Evolutionary Stage : Main Sequence
Distância:40 anos-luz
Categoria:Exoplanets
Illustrations

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