Astronomy Picture of the Day ·

Galaxy Collisions: Simulation vs Observations

The Astronomy Picture of the Day for May 14, 2013 is “Galaxy Collisions: Simulation vs Observations,” a video. It is credited to Images Credit: NASA , ESA ; Visualization: Frank Summers ( STScI ); Simulation: Chris Mihos ( CWRU ) & Lars Hernquist ( Harvard ).. The original explanation runs about 157 words.

Preview frame of the video “Galaxy Collisions: Simulation vs Observations” Watch the video on the original page
Credit: Images Credit: NASA , ESA ; Visualization: Frank Summers ( STScI ); Simulation: Chris Mihos ( CWRU ) & Lars Hernquist ( Harvard ). Shown from the original page. Not hosted by OpenOrbit.

From the explanation

“What happens when two galaxies collide? Although it may take over a billion years, such titanic clashes are quite common.”

— APOD editors, May 14, 2013

Read the full explanation on science.nasa.gov

At a glance

Date
May 14, 2013
Type
Video
Credit
Credit: Images Credit: NASA , ESA ; Visualization: Frank Summers ( STScI ); Simulation: Chris Mihos ( CWRU ) & Lars Hernquist ( Harvard ).
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 157 words

All of May 2013 → · 2013 by month → · Full archive since 1995 →

Topics in this entry

Galaxies

Topics are matched from words in the title and explanation.

On this day: May 14 in other years

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Source

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.