[ad_1] NASA’s Mars InSight is on its way to the Red Planet to explore the unseen interior of our neighbor and listen for “Marsquakes.” The United Launch Alliance Atlas V rocket carrying the Martian lander successfully lifted off from Vandenberg Air Force Base in southern California at 4:05 a.m. Pacific Time Saturday. Mars InSight, which […]

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NASA’s Mars InSight is on its way to the Red Planet to explore the unseen interior of our neighbor and listen for “Marsquakes.” The United Launch Alliance Atlas V rocket carrying the Martian lander successfully lifted off from Vandenberg Air Force Base in southern California at 4:05 a.m. Pacific Time Saturday.

Mars InSight, which stands for Interior Exploration using Seismic Investigations, Geodesy and Heat Transport, is NASA’s first interplanetary mission to leave from the west coast of the US. 

The lander will spend at least two years “listening” to the interior of Mars as it measures the planet’s subsurface heat and detects Marsquakes. The goal is to develop a map of sorts of the planet’s interior and hopefully gain insights into the formation of other rocky planets, including Earth.


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The Atlas 5 carrying InSight also carries a pair of experimental cubesats called MarCo and nicknamed “Wall-E” and “Eva” that will tag along to Mars. All three spacecraft took off on a southward path that carried the rocket over the Pacific Ocean, around the south pole toward the other side of the planet before making a left turn toward Mars. 

While the rocket’s ascent towards space should have been visible from much of southern California and even parts of Mexico, fog on the ground made it difficult to catch a glimpse of the Atlas V without being above the foggy marine layer. 

NASA chief scientist Jim Green says while it was tough to actually see the landing pad, there was no missing the moment of launch.

“We heard it, we really heard it. Car alarms went off in the parking lot.”

Still, some sky watchers and space nerds did manage to get up early and find a fog-free vantage point.

At around 5:38 a.m. PT, Mars Insight, Wall-E and Eva separated from the Centaur upper stage engine of the Atlas V, officially sending them on the way to our neighboring planet.

The Mars InSight lander itself was built by Lockheed Martin of Denver, but it carries scientific instruments that were developed as part of an international collaboration with space agencies and other scientific institutions around the world. It carries a suite of highly sensitive seismometers to detect Marsquakes and a special “mole” that will drill up to 16 feet (3 m) below the Martian surface to take heat readings and help map the planet’s “guts.”

“It’s been enormously challenging to put together such a small sensor with the performance we need to detect Marsquakes,” said professor Tom Pike from Imperial College London, who was one of the leaders on a team developing the short period seismometer on InSight. “We’ve had the support of the UK Space Agency, and their considerable patience. Now we finally get to see our microseismometers leave the launch pad, next stop Mars.”  

InSight is scheduled to land on a broad plain named Elysium Planitia in November. Be sure to check out the full details of the Mars InSight mission in our earlier coverage and the video above.

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