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Umbriel is a moon of Uranus discovered on October 24, 1851, by William Lassell. Umbriel consists mainly of ice with a substantial fraction of rock, and may be differentiated into a rocky core and an icy mantle. The surface is the darkest among Uranian moons, and appears to have been shaped primarily by impacts.

The southern hemisphere of Umbriel displays heavy cratering in this Voyager 2 image, taken Jan. from a distance of kilometers miles).

Thebe is the fourth of Jupiter's moons by distance from the planet

Jupiter XIV - Thebe - Discovered in 1979 by Voyager I. Size: km). Named for the Greek nymph who was a lover of Zeus. Highest resolution image available. Taken by the Galileo spacecraft in

I just Like these things.

This is a real shooting star! It is only a couple of hundred light years distant. Mira is moving very fast relative to everything near it, likely because it was ejected from a star cluster.

Scientists are eager to learn if Europa's huge subsurface ocean harbors alien life.

Europa Report: Jupiter's Icy Moon Explained (Infographic) by Karl Tate, Infographics Artist

More Detail as New Horizons Draws Closer #nasa

This image taken on May shows Pluto in the latest series of New Horizons Long Range Reconnaissance Imager (LORRI) photos, compared to a LORRI image taken on April <br />

Miranda (one of Uranus's 27 moons) - Composite image of the southern hemisphere of Miranda. Portions of the surface exhibit presumably older cratered terrain of relatively uniform albedo (reflectivity), but other presumably younger egg-shaped and chevron-shaped areas exhibit bright and dark bands of unknown origin, complex ridges and scarps (cliffs presumably caused by faulting). via (NASA, JPL, Voyager 2, A. Tayfun Oner)

Miranda (one of Uranus's 27 moons) - Composite image of the southern hemisphere…

Oberon moon - Bing images

The best Voyager 2 image of Oberon, the outermost major moon of the planet Uranus.

Photogenic #Saturn has now become a movie star. Astronomers have woven NASA Hubble Space Telescope images of Saturn, its rings, and several of its moons into three movies. Each movie highlights unique times in the planet's 30-year waltz around the Sun. Two of the movies show the motion of several of Saturn's moons when the planet's rings were tilted nearly edge-on to Earth and to the Sun. These edge-on alignments of the rings occur roughly once every 15 years.

Photogenic #Saturn has now become a movie star. Astronomers have woven NASA Hubble Space Telescope images of Saturn, its rings, and several of its moons into three movies. Each movie highlights unique times in the planet's 30-year waltz around the Sun. Two of the movies show the motion of several of Saturn's moons when the planet's rings were tilted nearly edge-on to Earth and to the Sun. These edge-on alignments of the rings occur roughly once every 15 years.

Ceres-HST-Dawn.jpg (1056×548)

Comparison of HST and Dawn FC images of Ceres taken nearly 11 years apart.

Mais doù provient cette immense vague qui traverse Vénus de part en part ?

Mais d’où provient cette immense “vague” qui traverse Vénus de part en part

Gigantic, bow-shaped wave spotted in Venus’ atmosphere

Astronomy @astrophysics_ The image above w...Instagram photo | Websta (Webstagram)

Instagram Post by Science (@astrophysics_)

Retrograde motion of Jupiter or Mars or Saturn in our sky is an illusion, caused by Earth's passing these slower-moving outer worlds.

Janus, a moon of Saturn.

Janus in Stretched Color By ugordan Cassini narrow-angle camera filter composite

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