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NASA Image of the Day

Satellite View of the Americas on Earth Day
22 Apr 2014
Satellite View of the Americas on Earth Day
Today, April 22, 2014 is Earth Day, and what better way to celebrate than taking a look at our home planet from space. NOAA's GOES-East satellite captured this stunning view of the Americas on Earth Day, April 22, 2014 at 11:45 UTC/7:45 a.m. EDT. The data from GOES-East was made into an image by the NASA/NOAA GOES Project at NASA's Goddard Space Flight Center in Greenbelt, Md. In North America, clouds associated with a cold front stretch from Montreal, Canada, south through the Tennessee Valley, and southwest to southern Texas bringing rain east of the front today. A low pressure area in the Pacific Northwest is expected to bring rainfall in Oregon, Washington, Idaho, stretching into the upper Midwest, according to NOAA's National Weather Service. That low is also expected to bring precipitation north into the provinces of British Columbia and Alberta, Canada. Another Pacific low is moving over southern Nevada and the National Weather Service expects rain from that system to fall in central California, Nevada, and northern Utah. Near the equator, GOES imagery shows a line of pop up thunderstorms. Those thunderstorms are associated with the Intertropical Convergence Zone (ITCZ). The ITCZ encircles the Earth near the equator. In South America, convective (rapidly rising air that condenses and forms clouds) thunderstorms pepper Colombia, Venezuela, Ecuador, Peru, Bolivia, Paraguay and northwestern and southeastern Brazil. GOES satellites provide the kind of continuous monitoring necessary for intensive data analysis. Geostationary describes an orbit in which a satellite is always in the same position with respect to the rotating Earth. This allows GOES to hover continuously over one position on Earth's surface, appearing stationary. As a result, GOES provide a constant vigil for the atmospheric "triggers" for severe weather conditions such as tornadoes, flash floods, hail storms and hurricanes. For more information about GOES satellites, visit: or

THEMIS Image of the Day
Daily images from the Mars Odyssey THEMIS instrument.

Cyane Fossae
23 Apr 2014

Lava Flows
22 Apr 2014

The definitive source of information about the Hubble Space Telescope
10 Apr 2014
Latest Picture from Hubble!

Hubble Stretches Stellar Tape Measure 10 Times Farther into Space

RedOrbit Images Of The Day - Mars
CO2 Hourglass
CO2 Hourglass
23 Apr 2014
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a portion of the south polar residual cap of Mars. The bright, relatively homogeneous-appearing material extending from top (north) to bottom (south) is mainly composed of solid carbon dioxide. During the martian summer months, sublimation, the direct conversion of a solid to a gas, causes the scarps that delineate the edges of the bright material to retreat by approximately 3 meters (around 10 feet) before autumn begins.

Credit: NASA/JPL/Malin Space Science Systems

RedOrbit Images Of The Day - Universe
Universe Cross-Section
Universe Cross-Section
23 Apr 2014
An image of a galaxy cluster taken by the NASA/ESA Hubble Space Telescope gives a remarkable cross-section of the Universe, showing objects at different distances and stages in cosmic history. They range from cosmic near neighbors to objects seen in the early years of the Universe. The 14-hour exposure shows objects around a billion times fainter than can be seen with the naked eye.

Hubble?s images might look flat, but this one shows a remarkable depth of field that lets us see more than halfway to the edge of the observable Universe. Most of the galaxies visible here are members of a huge cluster called CLASS B1608+656, which lies about five billion light-years away. But the field also contains other objects, both significantly closer and far more distant, including quasar QSO-160913+653228 which is so distant its light has taken nine billion years to reach us, two thirds of the time that has elapsed since the Big Bang.

Credit: NASA, ESA

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Arp 81: 100 Million Years Later

Arp 81: 100 Million Years Later Arp 81: 100 Million Years Later

Flight Image of the Day
Lockheed P-38 Lightning during taxi
9 Apr 2014

AirSpace user kapnkrnch uploaded this great shot of a P-38 lightning, taken at the Air Power airshow in Zeltweg, Austria.


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News Photos
ESA Top Multimedia
Antarctica Peninsula from Sentinel-1A
15 Apr 2014

Acquired on 13 April 2014 at 23:57 GMT (14 April at 01:57 CEST) by Sentinel-1A, this image shows a transect over the northern part of the Antarctica Peninsula. It was acquired in the satellite?s ?strip map? mode with a swath width of 80 km and in dual polarisation. The colours indicate how the land, ice and water reflect the radar signal differently.

NASACast Video
Space to Ground - 4/18/2014
Spacewalk preparations, SpaceX-3 cargo launch and Earth Day photos from space! Question or comment? Use #spacetoground to talk to us.
18 Apr 2014

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