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SpaceX just launched a critical NASA climate instrument into space
https://mashable.com/article/spacex-nasa-oco-climate-change/
NASA’s carbon-detecting sleuth has left Earth.
SpaceX launched the Orbiting Carbon Observatory-3 (OCO-3) to the International Space Station (ISS) at 2:48 a.m. ET on Saturday morning aboard the company’s dependable Falcon 9 rocket. After NASA’s cargo load arrives at the ISS, astronauts will use a long robotic arm to attach the refrigerator-sized instrument to the side of the earth-orbiting station.
OCO-3 will peer down on Earth, keeping tabs on the planet’s amassing carbon dioxide emissions, which are now at their highest levels in millions of years.
“Carbon dioxide is the most important gas humans are emitting into the atmosphere,” Annmarie Eldering, the project scientist for OCO-3 at NASA’s Jet Propulsion Laboratory, told Mashable in February. “Understanding how it will play out in the future is critical.”
After the SpaceX rocket lifted into space, the booster — the bottom portion of the rocket containing nine powerful engines — returned to Earth. It successfully landed on a drone ship in the Atlantic Ocean.
SpaceX now regularly lands its rockets on both drone ships and land. It’s a fundamental part of the spaceflight company’s business model — reusing expensive rockets rather than letting them crash into the ocean. Earlier this month, SpaceX impressively landed three boosters after its massive Falcon Heavy rocket (which consists of three rockets strapped together) launched an Arab communications satellite into Earth’s orbit.
NASA had slated the launch for late April, but asked SpaceX to delay it until the space agency could fix a power distribution problem on the ISS — which is currently home to six astronauts and cosmonauts.
OCO-3 — which can detect carbon dioxide concentrations on Earth within 1 part per million — almost didn’t make it into space. In both 2017 and 2018 the Trump administration (which is candidly opposed to climate science) sought to eliminate the earth-monitoring instruments.
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Become a founding member“We heard OCO-3 was not going to go,” Britton Stephens, a senior scientist at the National Center for Atmospheric Research who works on the OCO-3 science team, said in an interview. “There’ve been lots of ups and downs in the project.”
But advocacy from NASA leaders and congressional support kept OCO-3 alive. Now it’s in space.