Half of Kepler's giant exoplanet candidates are false positives

An international team led by Alexandre Santerne from Instituto de Astrofísica e Ciências do Espaço (IA), made a 5-year radial velocity campaign of Kepler's giant exoplanet candidates, using the SOPHIE spectrograph (Observatory ...

Is there life on Pluto?

First discovered in 1930, Pluto was considered to be the ninth planet in our Solar System for many decades. And though its status has since been downgraded to that of a dwarf planet, thanks to the discovery of Eris in 2004, ...

Soggy invaders from space

Is there a water shortage out there? It's an important question if you're looking for biology beyond Earth. Experts will tell you that, while other fluids may be able to incubate life (ammonia and liquefied natural gas come ...

How are planets formed?

How did the Solar System's planets come to be? The leading theory is something known as the "protoplanet hypothesis", which essentially says that very small objects stuck to each other and grew bigger and bigger—big enough ...

Planet 'devoured in secret' by its own sun

(Phys.org)—A planet roughly 1.4 times the size of Jupiter is being consumed by its own star behind a shroud thanks to a magnesium veil absorbing all of certain light wavelengths, according to new observations by the Hubble ...

What caused the recent explosion at Jupiter?

A bright flash was spotted on Jupiter early on the morning of September 10, 2012, and astronomers were hoping to later see an impact "scar" which would provide more information about the object that slammed into the giant ...

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