Image 2

Credit: David A. Aguilar (CfA)
March 9, 2016
Media Photo/Video

Photos for News Media Use Only

Social Media Share Tools
Artist's rendering of planet
Credit: David A. Aguilar (CfA)

The newly discovered world HAT-P-1 has baffled astronomers, since it is puffed up much larger than theory predicts. HAT-P-1 has a radius about 1.38 times Jupiter's but contains only half Jupiter's mass.