A $340 million satellite that aims to alert people to potentially dangerous solar activity and geomagnetic storms blasted off toward deep space on Wednesday atop a SpaceX Falcon 9 rocket.
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).
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."
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.
- Rocket test -
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.
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.
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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