Sentences with phrase «planets orbiting the star hr»
High - contrast observations with the Keck and Gemini telescopes have revealed three planets orbiting the star HR 8799, with projected separations of 24, 38, and 68 astronomical units.
http://science.sciencemag.org/ Not exact matches
One of the earliest and most astounding systems found by direct imaging is the one around the star HR 8799, where four planets range in orbits from beyond that of Saturn out to more than twice the distance of Neptune.
Four planets were found orbiting the star HR 8799 in 2008.
(Fomalhaut b, by contrast, orbits at nearly twice the distance of the farthest - flung planet around HR 8799, albeit around a larger star.)