Astronomy Picture of the Day ·

The Bloop: A Mysterious Sound from the Deep Ocean

The Astronomy Picture of the Day for April 27, 2010 is “The Bloop: A Mysterious Sound from the Deep Ocean,” an image. It is credited to Credit: NOAA , SOSUS. The original explanation runs about 178 words.

The Bloop: A Mysterious Sound from the Deep Ocean
Credit: NOAA , SOSUS Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“What created this strange sound in Earth’s Pacific Ocean? Pictured above is a visual representation of a loud and unusual sound , dubbed a Bloop, captured by deep sea microphones in 1997.”

— APOD editors, April 27, 2010

Read the full explanation on science.nasa.gov

At a glance

Date
April 27, 2010
Type
Image
Credit
Credit: NOAA , SOSUS
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 178 words

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On this day: April 27 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.