A river runs through it — on Titan

The Cassini probe, in orbit around Saturn, has captured a new radar image showing a long river on Titan, Saturn's largest moon. From the European Space Agency: "The international Cassini mission has spotted what appears to be a miniature extraterrestrial version of the Nile River: a river valley on Saturn’s moon Titan that stretches more …

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Lunar topography

From NASA: LRO Camera Team Releases High Resolution Global Topographic Map of Moon. The science team that oversees the imaging system on board NASA’s Lunar Reconnaissance Orbiter (LRO) has released the highest resolution near-global topographic map of the moon ever created. This new topographic map, from Arizona State University in Tempe, shows the surface shape …

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Sarychev Peak eruption

From NASA's Earth Observatory: Sarychev Peak Eruption, Kuril Islands, Russia. From the Earth Observatory description: A fortuitous orbit of the International Space Station allowed the astronauts this striking view of Sarychev Volcano (Kuril Islands, northeast of Japan) in an early stage of eruption on June 12, 2009. [...] Ash from the multi-day eruption has been …

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Drought and recovery

These images from the NASA Earth Observatory show areas of drought (brown = below average plant growth) and excess plant growth (green = above average plant growth). Northern Iraq is suffering a severe drought. Much of the country's grain is dependent on seasonal rainfall rather than irrigation: Grain-producing regions of Afghanistan, on the other hand, …

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A cheaper way to get humans to Mars: One-way tickets

NASA's Astrobiology Magazine has the text of a presentation given by physicist Paul Davies: A One-way Ticket to Mars. The greatest expense in sending a group of astronauts to Mars is actually getting them back to Earth. Davies estimates that we may be able to save up to 80% of the costs by sending a …

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NASA Earth Observatory turns 10 — vote for your favorites — final round

Out of over 3000 images that have appeared over the past ten years on the NASA Earth Observatory site, viewers have voted and narrowed it down to their favorite 50. From now until April 27th, viewers can vote for their favorite out of these 50, and the winning image will be announced on April 29th. …

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NASA Earth Observatory turns 10 — vote for your favorites

The NASA Earth Observatory is ten years old (this is where I get many of the images I show on The GeoChristian). For most of that time, EO has featured a new image every day, for a total of over 3,000 fantastic images of the Earth (mostly). EO is asking for its viewers to vote …

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