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SpaceX launches deep-space weather observatory

12 february 2015, 13:16
0
Elon Musk. ©AFP
Elon Musk. ©AFP

 A $340 million satellite that aims to alert people to potentially dangerous solar activity and geomagnetic storms blasted off toward deep space Wednesday atop a SpaceX Falcon 9 rocket, AFP reports.

Experts say the DSCOVR -- a joint collaboration of the US Air Force, NASA and the National Oceanic and Atmospheric Administration (NOAA) -- will help with the preparation and response to "space weather," thereby protecting utilities, consumers and industries.

"The Falcon takes flight, propelling the Deep Space Climate Observatory on a million mile journey to protect our planet Earth," said NASA commentator George Diller as the rocket took off from Cape Canaveral, Florida at 6:03 pm (2303 GMT).

DSCOVR is headed to a destination between the Earth and Sun known as Lagrangian point, or L1. The journey will take 110 days, followed by 40 days of instrument tests.

Space weather is the primary objective of the five-year mission, although the initial idea for the satellite came from former US vice president Al Gore, who dreamed of a spacecraft that would observe Earth and send back live images that would raise environmental awareness of the planet's fragility.

"It was inspiring to witness the launch," Gore said in a statement shortly afterward.

"DSCOVR has embarked on its mission to further our understanding of Earth and enable citizens and scientists alike to better understand the reality of the climate crisis and envision its solutions."

DSCOVR will replace an aging satellite, known as ACE, that is many years past its expiration date. It should provide the same accuracy as its predecessor, officials said.

Initially known as Triana, it was built in the late 1990s but the mission was canceled in 2001 by the George W Bush administration.

NASA stored the observatory in a clean room, and about seven years ago determined the equipment was still viable, said Stephen Volz, assistant administrator of the NOAA Satellite and Information Service.

The name was changed to DSCOVR and the instruments were refurbished so that it could take real-time measurements of solar wind and send data swiftly to Earth.

Its secondary mission is to collect scientific data about aerosol levels, ozone and radiation balance on Earth.

   Rocket test 

 Meanwhile, California-based SpaceX said high seas off the coast of Florida had forced it to abandon another planned attempt at recycling its rocket by flying the first stage of the Falcon 9 to a controlled landing on an ocean platform, known as a drone ship.

Waves as high as three stories were crashing over the deck and one of the four engines was not working prior to launch, the company said.

"Planning a significant upgrade of the drone ship for future missions to handle literally anything," SpaceX CEO Elon Musk wrote on Twitter.

However, it did attempt to perform a controlled landing of the first stage, steadying it before allowing it plunge into the ocean in a so-called "soft landing."

"Rocket soft landed in the ocean within 10 meters of target and nicely vertical," Musk wrote on Twitter afterward.

"High probability of good drone ship landing in non-stormy weather."

SpaceX is embarking on a series of such tests with the goal of one day making rockets as reusable as airplanes, instead of allowing them to fall to pieces into the ocean after launch.

An attempt to land the first stage on a floating barge in January was not successful. Instead of landing upright, the rocket collided with the platform and broke into pieces.

But the company said it intends to keep trying to refine the technology.


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