Related topics: galaxies

Why do some galactic unions lead to doom?

Three images from NASA's Spitzer Space Telescope show pairs of galaxies on the cusp of cosmic consolidations. Though the galaxies appear separate now, gravity is pulling them together, and soon they will combine to form new, ...

Gaia clocks new speeds for Milky Way-Andromeda collision

ESA's Gaia satellite has looked beyond our Galaxy and explored two nearby galaxies to reveal the stellar motions within them and how they will one day interact and collide with the Milky Way – with surprising results.

A peculiar galactic clash

Galaxies are not static islands of stars—they are dynamic and ever-changing, constantly on the move through the darkness of the Universe. Sometimes, as seen in this spectacular Hubble image of Arp 256, galaxies can collide ...

Astronomy from 40,000 feet and 43.5 degrees south

The Stratospheric Observatory for Infrared Astronomy, SOFIA, completed its fourth set of observations from Christchurch, New Zealand. The team spent seven weeks operating from the U.S. Antarctic Program facility at Christchurch ...

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