Health
Climate change may exacerbate space debris
Elevated carbon dioxide levels can exacerbate existing problems.
Junk up
Climate change may exacerbate our space junk problem.
according to Recently announced preprint paper, Rising carbon dioxide levels in the upper atmosphere of our planet are reducing their density.
Its low density means that space debris designed to burn out in a denser lower atmosphere can have less pull. New York Times Report, Otherwise it would have ensured it burned out.
And that could exacerbate the problem of space debris — scientists are tracking thousands of orbital debris already in Earth’s orbit.
“The numbers surprised us,” said Huey Lewis, a space debris expert at the University of Southampton in the United Kingdom, who co-authored the study. right now.. “Alarms have a real cause.”
Cause of alarm
by right nowOver 2,500 objects, over 4 inches, orbit the Earth in less than 250 miles. With fewer items being dragged into the lower atmosphere over the next 40 years, the problem can grow 50-fold.
The effects of the dense upper atmosphere are not yet fully understood, and experts say more research is needed until we get a better idea of the size of the problem, or how big it will be in the future. I will.
However, this problem can quickly be exacerbated by SpaceX, Amazon, and others who are planning to build a large constellation of thousands of satellites to beam down broadband Internet.
SpaceX I recently asked the Federal Communications Commission Lower the altitude of the Starlink satellite by almost 3,000 to ensure that the dead satellite can re-enter.
However, it may not be enough if the carbon dioxide level rises.
“If the SpaceX spacecraft passively re-enters in 10 or 15 years, do you think that’s enough?” Lewis asked. right now.. “Given the fact that it is a large constellation, many would probably say it is not.”
read more: What if space debris and climate change are the same issue? [The New York Times]
Space debris details: Space debris literally brightens the sky, astronomers say
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