Hubble’s Observation of Neptune in 2021

In observations taken on 7 September 2021, researchers found that Neptune’s dark spot, which recently was found to have reversed course from moving toward the equator, is still visible in this image, along with a darkened northern hemisphere. There is also a notable dark, elongated circle encompassing Neptune’s south pole. The blue colour of both Neptune and Uranus is a result of the absorption of red light by the planets’ methane-rich atmospheres.

Credit:

NASA, ESA, A. Simon (Goddard Space Flight Center), and M.H. Wong (University of California, Berkeley) and the OPAL team.

About the Image

Id:heic2113e
Type:Planetary
Release date:18 November 2021, 19:00
Related releases:heic2209, heic2113
Size:650 x 650 px

About the Object

Name:Neptune
Category:Solar System

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BandWavelengthTelescope
Optical
Strömgren b
467 nm Hubble Space Telescope
WFC3
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547 nm Hubble Space Telescope
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657 nm Hubble Space Telescope
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