The giant world Halla should have been swallowed by its star long ago. Scientists now think they know how the planet cheated death.
Tag: Stars and Galaxies
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The Biggest Explosion in the Cosmos Just Keeps Going
For three years, telescopes have monitored “one of the most luminous” events ever: a supermassive black hole consuming a gigantic cloud of interstellar gas.
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What It Looks Like When a Dying Star Eats a Planet
Astronomers spotted a dying star swallowing a large planet, a discovery that fills in a “missing link” in understanding the fates of Earth and many other planets.
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Who Will Have the Last Word on the Universe?
Modern science suggests that we and all our achievements and memories are destined to vanish like a dream. Is that sad or good?
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Courting the Sirens of the Southern Sky
These days it takes a generation to build a giant telescope. A new one is taking shape in the Atacama Desert in Chile.