Daily Space & Astronomy Photos


Mimas: Small Moon with a Big Crater

Whatever hit Mimas nearly destroyed it.  Whatever hit Mimas nearly destroyed it.

Hubble picture of the day
Hubble Finds Extremely Distant Galaxy through Cosmic Magnifying Glass
16 Oct 2014

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Peering through a giant cosmic magnifying glass, NASA's Hubble Space Telescope has spotted one of the farthest, faintest, and smallest galaxies ever seen. The diminutive object is estimated to be more than 13 billion light-years away. This new detection is considered one of the most reliable distance measurements of a galaxy that existed in the early universe, said the Hubble researchers. Hubble detected the galaxy due to the lensing power of the mammoth galaxy cluster Abell 2744, nicknamed Pandora's Cluster. The cluster is so massive that its powerful gravity bends the light from galaxies far behind it, making the background objects appear larger and brighter in a phenomenon called gravitational lensing.

RedOrbit Images Of The Day - Earth

Brazilian Deforestation
20 Oct 2014
Brazilian Deforestation
Deforestation in the state of Rond˘nia in western Brazil, as imaged by ESA?s Proba-V minisatellite.

This 300 m-resolution image reveals the human impact on the world?s largest tropical rainforest. The brownish colors indicate deforested areas ? note the distinctive ?fishbone? pattern as main roads are cut through an area, followed by secondary roads for further clearing.

INPE, the Brazilian Institute for Space Research, uses satellites to monitor Brazil?s rainforests. Its results show the annual rate of deforestation has fallen from some 3900 sq km in 2004 to 900 sq km in 2013, although substantial amounts of precious forest are still disappearing every day.

Proba-V is a miniaturized ESA satellite tasked with a full-scale mission: to map land cover and vegetation growth across the entire planet every two days.

The camera?s continent-spanning field of view collects light in the blue, red, near-infrared and mid-infrared wavebands, ideal for monitoring plant and forest growth as well as inland water bodies.

Proba-V?s images are processed and distributed to hundreds of scientific users by VITO, Belgium?s Flemish Institute for Technological Research, extending the coverage of previous generations of the Vegetation camera flown on the Spot-4 and Spot-5 satellites.

Credit: ESA/VITO

RedOrbit Images Of The Day - Mars

Melas Chasma Sulfates
20 Oct 2014
Melas Chasma Sulfates
Melas Chasma is the widest segment of the Valles Marineris canyon, and is an area where MRO has detected the presence of sulfates.

This image offers a view of an excellent contact between layered deposits that postdate the formation of Valles Marineris and possible deposits that predate the canyon\'s formation. The materials are near interior layered deposits that contain sulfates and likely have hydrated minerals. At high resolution, we can have more accurate mapping of the stratigraphic relationships and contacts. Enhanced color can help to differentiate between geologic units and for mapping of sulfates.

This caption is based on the original science rationale.

Written by: HiRISE Science Team

Credit: NASA/JPL/University of Arizona

RedOrbit Images Of The Day - Universe

Galactic Metropolis
20 Oct 2014
Galactic Metropolis
This artist?s impression depicts the formation of a galaxy cluster in the early Universe. The galaxies are vigorously forming new stars and interacting with each other. Such a scene closely resembles the Spiderweb Galaxy (formally known as MRC 1138-262) and its surroundings, which is one of the best-studied protoclusters.

Credit: ESO/M. Kornmesser

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NASA Earth Observatory Image of the Day

Measuring Earth?s Albedo
21 Oct 2014

Measuring Earth?s Albedo
The global picture of how Earth reflects sunlight is a muddle, though several regional trends emerge.
Daily Space Wallpaper

Passing by
21 Oct 2014

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News and Features - NASA's Jet Propulsion Laboratory

NASA Rover Opportunity Views Comet Near Mars
20 Oct 2014

Mars Rover Opportunity's View of Passing Comet

NASA's Mars Exploration Rover Opportunity caught an image of a celestial visitor -- comet C/2013 A1 Siding Spring -- as the comet approached near to Mars on Oct. 19, 2014.

All Three NASA Mars Orbiters Healthy After Comet Flyby
19 Oct 2014

Artist's concept showing NASA's Mars orbiters lining up behind the Red Planet

All three NASA orbiters around Mars confirmed their healthy status Sunday after each took shelter behind Mars during a period of risk from dust released by a passing comet.

NASA's Mars Odyssey Orbiter Watches Comet Fly Near
19 Oct 2014

Artist's concept of NASA's Mars Odyssey spacecraft

The longest-lived robot ever sent to Mars came through its latest challenge in good health, reporting home on schedule after sheltering behind Mars from possible comet dust.

NASA's MAVEN Studies Passing Comet and Its Effects
19 Oct 2014

Illustration of the MAVEN Mars orbiter

NASA's newest orbiter at Mars, MAVEN, took precautions to avoid harm from a dust-spewing comet that flew near Mars today and is studying the flyby's effects on the Red Planet's atmosphere.

NASA's Mars Reconnaissance Orbiter Studies Comet Flyby
19 Oct 2014

Illustration of the Mars Reconnaissance Orbiter

NASA's Mars Reconnaissance Orbiter, which has sent home more data about Mars than all other missions combined, is also now providing data about a comet that buzzed The Red Planet on October 19.

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Comet on 18 October ? NavCam
20 Oct 2014

Four-image montage comprising images taken by Rosetta's navigation camera on 18 October from a distance of 9.8 km from the centre of Comet 67P/Churyumov-Gerasimenko (about 7.8 km from the surface). The image scale is 66.5 cm/pixel, so each 1024 x 1024 pixel frame making up the montage is about 680 metres across.

The individual image frames and more information is available via the blog: CometWatch ? 18 October

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