A Piece of a SpaceX Rocket Is On Track To Collide With the Far Side of the Moon

Astronomers said this week that a piece of a Falcon 9 rocket that was launched in February 2015 is currently on a trajectory to collide with the moon in just a few weeks. CBS News reports: The rocket left from Florida's Cape Canaveral and launched NOAA's Deep Space Climate Observatory, a project that allows researchers to maintain real-time data for more accurate space weather alerts and forecasts. According to NOAA, having that data is 'critical,' as space weather events 'have the potential to disrupt nearly every major public infrastructure system on Earth.' During that deployment, Falcon 9's second stage, which provides it with a second boost to reach its desired orbit, ran out of fuel to return to Earth, according to meteorologist and Ars Technica space editor Eric Berger. The second stage has been orbiting Earth ever since, and now, according to data gathered by astronomers, it's on track to hit the moon.

Bill Gray, who writes the Project Pluto software that is used by both amateur and professional astronomers, gathered data from those space observers over the past few weeks to predict just when the impact will occur. Based on the information he gathered, there will be a 'certain impact' with the far side of the moon on March 4, he said. The rocket stage is currently floating away from Earth and outside of the moon's orbit on a 'chaotic' orbit, Gray said, but in the coming days, it's expected to turn around and head back towards Earth. It made a 'close lunar flyby' on January 5, but March 4 is when its path and the moon's will cross. Thankfully, there's no cause for concern, says Gray, noting that it's the 'first unintentional case' of space junk hitting the moon that he's aware of. It may actually help researchers learn more about the moon's makeup if lunar orbiters are able to observe the crash site.

'If we can tell the [lunar orbiter] folks exactly where the crater is, they'll eventually pass over that spot and be able to see a very fresh impact crater and probably learn something about the geology (well, selenology) of that part of the moon,' Gray said.

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