Astronomy Picture of the Day ·

Gravitational Anomalies of Mercury

The Astronomy Picture of the Day for May 5, 2015 is “Gravitational Anomalies of Mercury,” an image. It is credited to Image Credit: NASA , GSFC ‘s SVS , JHU’s APL , Carnegie Inst. Washington. The original explanation runs about 135 words.

Gravitational Anomalies of Mercury
Credit: Image Credit: NASA , GSFC ‘s SVS , JHU’s APL , Carnegie Inst. Washington Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“What’s that under the surface of Mercury? The robotic MESSENGER spacecraft that had been orbiting planet Mercury for the past four years had been transmitting its data back to Earth with radio waves of very precise energy.”

— APOD editors, May 5, 2015

Read the full explanation on science.nasa.gov

At a glance

Date
May 5, 2015
Type
Image
Credit
Credit: Image Credit: NASA , GSFC ‘s SVS , JHU’s APL , Carnegie Inst. Washington
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 135 words

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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.