Astronomy Picture of the Day · July 21, 2014

Spacecraft Rosetta Shows Comet has Two Components

The Astronomy Picture of the Day for July 21, 2014 is “Spacecraft Rosetta Shows Comet has Two Components,” an image. It is credited to Image Credit: ESA / Rosetta /MPS for OSIRIS Team ; MPS /UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA. The original explanation runs about 163 words.

From the explanation

“Why does this comet’s nucleus have two components? The surprising discovery that Comet 67P/ChuryumovGerasimenko has a double nucleus came late last week as ESA ‘s robotic interplanetary spacecraft Rosetta continued its approach toward the ancient comet’s core.”

— APOD editors, July 21, 2014

Read the full explanation on science.nasa.gov

At a glance

Date: July 21, 2014
Type: Image
Credit: Credit: Image Credit: ESA / Rosetta /MPS for OSIRIS Team ; MPS /UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 163 words

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Topics in this entry

Comets

Topics are matched from words in the title and explanation.

On this day: July 21 in other years

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Source

Astronomy Picture of the Day, July 21, 2014 — science.nasa.gov/image-article/apod-2014-july-21-spacecraft-rosetta-shows-comet-has-two-components

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.