ASTRONOMY PICTURE

OF THE DAY

TAG NAME

Colliding Galaxies

JUN 12, 2004

NGC 4676: When Mice Collide

NOV 21, 2004

Spiral Galaxies in Collision

APR 4, 2005

NGC 1316: After Galaxies Collide

JAN 8, 2006

Arp 188 and the Tadpole’s Tidal Tail

JUN 30, 2006

The Antennae

NOV 5, 2006

A Galaxy Collision in NGC 6745

APR 20, 2008

Spiral Galaxies in Collision

JUL 21, 2008

The Colliding Spiral Galaxies of Arp 271

SEP 2, 2008

NGC 1316: After Galaxies Collide

APR 7, 2009

The Colliding Spiral Galaxies of Arp 274

APR 26, 2009

NGC 4676: When Mice Collide

FEB 22, 2010

Galaxy Group Hickson 31

MAR 14, 2010

Binary Black Hole in 3C 75

MAR 24, 2010

Galaxy Wars: M81 versus M82

JUL 18, 2010

The Antennae Galaxies in Collision

NOV 7, 2010

The Center of Centaurus A

NOV 16, 2010

Atoms-for-Peace Galaxy Collision

JUN 12, 2011

M64: The Sleeping Beauty Galaxy

JUL 1, 2012

The Outer Shells of Centaurus A

AUG 12, 2012

Spiral Galaxy NGC 4038 in Collision

SEP 30, 2012

A Galaxy Collision in NGC 6745

DEC 17, 2012

NGC 922: Collisional Ring Galaxy

MAY 14, 2013

Galaxy Collisions: Simulation vs Observations

JUN 24, 2013

The Porpoise Galaxy from Hubble

AUG 25, 2013

The Colliding Spiral Galaxies of Arp 271

DEC 10, 2013

Seyfert’s Sextet

MAR 16, 2014

The Antennae Galaxies in Collision

AUG 25, 2014

Arp 188 and the Tadpole’s Tail

FEB 1, 2015

NGC 4676: When Mice Collide

JUL 25, 2016

Deep Magellanic Clouds Image Indicates Collisions

NOV 1, 2016

Arp 299: Black Holes in Colliding Galaxies

DEC 18, 2016

The Cartwheel Galaxy from Hubble

FEB 6, 2017

The Porpoise Galaxy from Hubble

MAY 23, 2018

Spiral Galaxy NGC 4038 in Collision

SEP 17, 2018

Cosmic Collision Forges Galactic Ring

MAR 25, 2019

Arp 194: Merging Galaxy Group

JUN 3, 2019

Stephan’s Quintet from Hubble

JUN 14, 2019

NGC 4676: The Mighty Mice

NOV 20, 2019

Arp 273: Battling Galaxies from Hubble

MAR 4, 2020

The Slow Dance of Galaxies NGC 5394 and 5395

MAY 10, 2020

The Porpoise Galaxy from Hubble

OCT 18, 2020

UGC 1810: Wildly Interacting Galaxy from Hubble

SEP 7, 2021

NGC 520: Colliding Galaxies from Hubble

OCT 4, 2021

NGC 4676: When Mice Collide

OCT 24, 2023

Arp 87: Merging Galaxies from Hubble