Sunday, October 6, 2013

Double Star Fomalhaut May Actually Be A Triplet!

Double Star Fomalhaut May Actually Be A Triplet!:
This false-color composite image, taken with the Hubble Space Telescope, reveals the orbital motion of the planet Fomalhaut b.  Credit: NASA, ESA, and P. Kalas (University of California, Berkeley and SETI Institute)
This false-color composite image, taken with the Hubble Space Telescope, reveals the orbital motion of the planet Fomalhaut b. Credit: NASA, ESA, and P. Kalas (University of California, Berkeley and SETI Institute)
Fomalhaut is a really cool place to study. The naked-eye star (the brightest star in the constellation Piscis Austrinus) has a planet, Fomalhaut b, that once appeared dead but rose again in science circles. It is the site of a comet massacre. Now it’s getting even more interesting: Scientists have believed for years that Fomalhaut is a double star, but a new paper proposes that it is actually a triplet.
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© Elizabeth Howell for Universe Today, 2013. |Permalink |No comment |
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