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SpaceX gets certification to launch NASA science missions

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falcon-9
Image Courtesy: SpaceX

By NewsGram Staff Writer

NASA has formally certified US-based Space Exploration Technologies Corporation’s (SpaceX) Falcon 9 rocket to launch the most ambitious science missions.

The Falcon 9 is now certified by NASA as a “Category 2” launch vehicle. SpaceX has successfully launched six re-supply missions to the International Space Station (ISS) as a part of the NASA contract.

The certification process of Falcon 9 began in 2012 by NASA and SpaceX. SpaceX won an $82 million contract to launch the Jason 3 mission — a project jointly funded by the US and France to measure sea roughness.

The scheduled mission by NASA named Jason 3 is ready to lift-off from Vandenberg Air Force Base in California in July. The two-stage Falcon 9 rocket will deploy the 1,124 pound spacecraft into orbit 830 miles above the Earth.

The core objective of the mission is to deploy a satellite in earth’s orbit. The satellite will then activate a radar altimeter to bounce signals off the world’s oceans to measure wave height, sea level rise and other data that are important for weather forecasting, oceanography and climate change research.

NASA spokesperson George Diller in a statement said, “The certification now clears the Falcon 9 to launch what NASA calls ‘medium-risk’ science missions, a classification that includes most of the agency’s Earth observation satellites and many of its interplanetary probes.”

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Scientists spot massive ice deposits on Mars

Recent observations by MRO's ground-penetrating Shallow Radar instrument revealed a buried ice layer that covers more ground than the state of New Mexico.

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Scientists found layers of ice on the surface of Mars. Wikimedia Commons
  • Recently, scientists have found layers of ice on the Martian land.
  • Scientists think this ice might be a useful source of water for future humans.
  • The researchers had researched 8 locations on the surface of Mars.

Scientists have unearthed thick and massive deposits of ice in some regions on Mars.

The images taken by the High-Resolution Imaging Science Experiment (HiRISE) camera aboard NASA’s Mars Reconnaissance Orbiter (MRO) showed the three-dimensional structure of massive ice deposits on Mars.

The ice sheets extend from just below the surface to a depth of 100 meters or more and appear to contain distinct layers.

It extending downward from depths as shallow as 1 to 2 meters below the surface, which could preserve a record of Mars’ past climate, the researchers noted in the journal Science.

This ice which was found can help scientists understand the climate history of Mars. IANS
This ice which was found can help scientists understand the climate history of Mars. IANS

“We expect the vertical structure of Martian ice-rich deposits to preserve a record of ice deposition and past climate,” said Colin M. Dundas, from the US Geological Survey.

“They might even be a useful source of water for future human exploration of the red planet,” Dundas added.

The researchers investigated eight locations on Mars and found thick deposits cover broad regions of the Martian mid-latitudes with a smooth mantle.

However, erosion in these regions creates scarps that expose the internal structure of the mantle.

The scarps are actively retreating because of sublimation of the exposed water ice.

The layers of ice can be used as water source by future humans on Mars, VOA
The layers of ice can be used as water source by future humans on Mars, VOA

The ice deposits likely originated as snowfall during Mars’ high-obliquity periods and have now compacted into massive, fractured, and layered ice.

Previous researchers have revealed that the Red Planet harbours subsurface water ice.

Recent observations by MRO’s ground-penetrating Shallow Radar instrument revealed a buried ice layer that covers more ground than the state of New Mexico.

NASA’s Phoenix lander had also dug up some ice near the Martian north pole in 2008, however, it is not clear if that is part of the big sheet. IANS

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