Astronomy news

Gravitational waves: Why the fuss?

Great excitement rippled through the physics world Monday at news of the first-ever detection of two ultra-dense neutron stars converging in a violent smashup.

date21 hours ago in Astronomy
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What are neutron stars?

Thrilled physicists and astronomers announced Monday the first-ever observation of the merger of two neutron stars, one of the most spectacularly violent phenomena in the Universe.

date21 hours ago in Astronomy
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Seeing the light of neutron star collisions

When two neutron stars collided on Aug. 17, a widespread search for electromagnetic radiation from the event led to observations of light from the afterglow of the explosion, finally connecting a gravitational-wave-producing ...

date21 hours ago in Astronomy
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The remarkable jet of the quasar 4C+19.44

Quasars are galaxies with massive black holes at their cores. So much energy is being radiated from near the nucleus of a quasar that it is much brighter than the rest of the entire galaxy. Much of that radiation is at radio ...

dateOct 16, 2017 in Astronomy
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