Astronomy Picture of the Day · April 11, 2021

When Black Holes Collide

The Astronomy Picture of the Day for April 11, 2021 is “When Black Holes Collide,” a video. The video is copyrighted by its creator (Video Credit & Copyright: Simulating Extreme Spacetimes Collaboration). The original explanation runs about 149 words.

From the explanation

“What happens when two black holes collide? This extreme scenario occurs in the centers of many merging galaxies and multiple star systems.”

— APOD editors, April 11, 2021

Read the full explanation on science.nasa.gov

At a glance

Date: April 11, 2021
Type: Video
Credit: Credit: Video Credit & Copyright: Simulating Extreme Spacetimes Collaboration
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 149 words

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Topics in this entry

Galaxies Black holes

Topics are matched from words in the title and explanation.

On this day: April 11 in other years

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Source

Astronomy Picture of the Day, April 11, 2021 — science.nasa.gov/image-article/apod-2021-april-11-when-black-holes-collide

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.