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Life, Unbounded

Life, Unbounded

Discussion and news about planets, exoplanets, and astrobiology

The Sciences

Lonely Planets: Hot Jupiters Are Isolated

Lonely Planets of the Cosmos Hot Jupiters are special beasts in the exoplanetary menagerie. These giant worlds orbit their parent stars incredibly tightly, sometimes zipping around in barely a day or two, and so close that they can disturb the stellar atmosphere itself - as well as throwing themselves at the mercy of gravitational tides and scorching radiation.They were also the very first type of exoplanets to be detected around normal, hydrogen-burning, stars like our Sun in 1995...

May 7, 2012 — Caleb A. Scharf
The Sciences

Stars Eat Planets

Caution! Do not cross this line... (NASA/ESA, G. Bacon STScI) "What a deep voice you have," said the little girl in surprise."The better to greet you with," said the wolf."Goodness, what big eyes you have.""The better to see you with.""And what big hands you have!" exclaimed Little Red Riding Hood, stepping over to the bed."The better to hug you with," said the wolf."What a big mouth you have," the little girl murmured in a weak voice."The better to eat you with!" growled the wolf...Stars and planets have what might be the most dysfunctional relationship in astrophysics...

April 6, 2012 — Caleb A. Scharf

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