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HST ACS/HRC view of planet Fomalhaut b in 2004 and 2006

HST ACS/HRC view of planet Fomalhaut b in 2004 and 2006


Date: 12 November 2008
Satellite: Hubble Space Telescope
Depicts: Fomalhaut b
Copyright: NASA, ESA and P. Kalas (University of California, Berkeley, USA)

The two objects visible in this image are the planet Fomalhaut b, captured 21 months apart, using Hubble's Advanced Camera for Surveys. Being able to see that the planet has moved is a strong sign that it is in fact in orbit around the star Fomalhaut. Astronomers calculate that it takes Fomalhaut b 872 years to orbit its parent star, and that it is at most three times the mass of Jupiter.

This false-colour image is a composite of data taken in October 2004 and July 2006.

Last Update: 1 September 2019
27-Oct-2021 15:43 UT

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