Four-planet system directly imaged in motion

Located about 129 light years from Earth in the direction of the Pegasus constellation is the relatively young star system of HR 8799. Beginning in 2008, four orbiting exoplanets were discovered in this system which – alongside ...

Image: Juno's close look at the Little Red Spot

The JunoCam imager on NASA's Juno spacecraft snapped this shot of Jupiter's northern latitudes on Dec. 11, 2016 at 8:47 a.m. PST (11:47 a.m. EST), as the spacecraft performed a close flyby of the gas giant planet. The spacecraft ...

Winds of rubies and sapphires strike the sky of giant planet

Signs of powerful changing winds have been detected on a planet 16 times larger than Earth, over 1000 light years away - the first time ever that weather systems have been found on a gas giant outside our solar system - according ...

New low-mass objects could help refine planetary evolution

When a star is young, it is often still surrounded by a primordial rotating disk of gas and dust, from which planets can form. Astronomers like to find such disks because they might be able to catch the star partway through ...

Astronomers discover two new inflated 'hot Jupiters'

(Phys.org)—An international team of astronomers led by Joel Hartman of Princeton University has detected two new "hot Jupiter" exoplanets, less massive than our solar system's biggest planet, but with a radius larger than ...

Jupiter's north pole unlike anything encountered in solar system

NASA's Juno spacecraft has sent back the first-ever images of Jupiter's north pole, taken during the spacecraft's first flyby of the planet with its instruments switched on. The images show storm systems and weather activity ...

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