Earth-based views of Jupiter to enhance Juno flyby

Telescopes in Hawaii have obtained new images of Jupiter and its Great Red Spot, which will assist the first-ever close-up study of the Great Red Spot, planned for July 10. On that date, NASA's Juno spacecraft will fly directly ...

Sakurai's Object: Stellar evolution in real time

(Phys.org) —Stellar lifetimes are measured in billions of years, so changes in their appearance rarely take place on a human timescale. Thus an opportunity to observe a star passing from one stage of life to another on ...

Massive planet gone rogue discovered

A massive rogue planet has been discovered in the Beta Pictoris moving group. The planet, called PSO J318.5338-22.8603 (Sorry, I didn't name it), is over eight times as massive as Jupiter. Because it's one of the few directly-imaged ...

Caught speeding: Clocking the fastest-spinning brown dwarfs

Using data from NASA's Spitzer Space Telescope, scientists have identified the three fastest-spinning brown dwarfs ever found. More massive than most planets but not quite heavy enough to ignite like stars, brown dwarfs are ...

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