New Mars gravity analysis improves understanding of possible ancient ocean
The first use of a novel method of analyzing Mars' gravitational force supports the idea that the planet once had an extensive northern ocean.
The first use of a novel method of analyzing Mars' gravitational force supports the idea that the planet once had an extensive northern ocean.
Astrobiology
Sep 20, 2023
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82
New Zealand's 2016 Kaikōura earthquake stopped the Waiau Toa—also known as the Clarence River—in its course. Within hours, the river flooded outside its channel and changed course. In the seven years since the magnitude ...
Earth Sciences
May 30, 2023
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41
Since 2009, the Lunar Reconnaissance Orbiter (LRO) has been taking high-resolution pictures of the lunar surface. This data, along with the information from a laser altimeter mapping instrument has allowed scientists to create ...
Astronomy
Mar 2, 2022
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42
In flood-prone areas of the Hudson River valley in New York state, census areas with more white and affluent home owners tend to file a higher percentage of flood insurance claims than lower-income, minority residents, raising ...
Environment
Aug 12, 2020
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3
Scott W. Anderson and colleagues use repeat aerial LiDAR to quantify the erosional impact of the heavy rains that inundated the Colorado Front Range in September 2013. The five-day storm triggered more than 1,100 landslides ...
Earth Sciences
Mar 30, 2015
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15
High-resolution topographic data generated from NASA's Shuttle Radar Topography Mission (SRTM) in 2000, previously only available for the United States, will be released globally over the next year, the White House announced ...
Earth Sciences
Sep 24, 2014
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New evidence gathered by NASA's MESSENGER spacecraft at Mercury indicates the planet closest to the sun has shrunk up to 7 kilometers in radius over the past 4 billion years, much more than earlier estimates.
Space Exploration
Mar 16, 2014
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(Phys.org) —Scientists have created the first global topographic map of Saturn's moon Titan, giving researchers a valuable tool for learning more about one of the most Earth-like and interesting worlds in the solar system. ...
Space Exploration
May 15, 2013
1
0
(PhysOrg.com) -- On March 17, the tiny MESSENGER spacecraft completed its primary mission to orbit and observe the planet Mercury for one Earth-year. The bounty of surprises from the mission has completely altered our understanding ...
Space Exploration
Mar 21, 2012
13
0
(PhysOrg.com) -- NASA's Dawn spacecraft has completed a gentle spiral into its new science orbit for an even closer view of the giant asteroid Vesta. Dawn began sending science data on Sept. 29 from this new orbit, known ...
Space Exploration
Oct 3, 2011
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