Interacting Galaxies | Simple Site

Andromeda Galaxy

Astrophysics Division

Goddard Space Flight Center

Hubble Space Telescope

Interacting Galaxies

Apocalypse When? Hubble Casts Doubt on Certainty of Galactic Collision

As far back as 1912, astronomers realized that the Andromeda galaxy — then thought to be only a nebula — was headed our way. A century later, astronomers using NASA’s Hubble Space Telescope were able to measure the sideways motion of Andromeda and found it was so negligible that an eventual head-on collision with the […]

Posted June 2, 2025

Astrophysics Division

Elliptical Galaxies

Goddard Space Flight Center

Hubble Space Telescope

Interacting Galaxies

Spiral Galaxies

Hubble Jams With A Cosmic Guitar

Arp 105 is a dazzling ongoing merger between an elliptical galaxy and a spiral galaxy drawn together by gravity, characterized by a long, drawn out tidal tail of stars and gas more than 362,000 light-years long. The immense tail, which extends beyond this image from NASA’s Hubble Space Telescope, was pulled from the two galaxies […]

Posted March 8, 2025

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