Astronomers have captured the first-ever spin measurements of HR 8799, the famed system that made history as the very first exoplanetary system to have its image taken. Discovered in 2008 by two ...

Astronomers have been studying a star system discovered in 2008 by the W. M. Keck Observatory and Gemini Observatory from Hawaii. The star system is called HR 8799 and is 129 light-years away from ...

Maunakea, Hawaiʻi – Astronomers have captured the first-ever spin measurements of HR 8799, the famed system that made history as the very first exoplanetary system to have its image taken. The ...

In late 2008, astronomers announced the discovery of a multi-planet system orbiting the star HR 8799. The three planets were discovered the old-fashioned way: they were directly imaged! [A gallery of ...

Astronomers from the Keck Observatory in Maunakea, Hawaii have discovered water on a nearby planet known as HR 8799 c. HR 8799 c is only 179 light-years away from Earth, making it a relatively close ...

The star HR 8799, about 1.5 times the size of the sun and about 5 times brighter, lies 130 light-years from Earth. Each of the star’s four known planets is larger than any planet in our solar system.

An unprecedented image of HR 8799, a star system 129 light-years away, has revealed a mysterious disc of material floating around its edge. The new image could explain the strange behavior of the ...