How many satellites are orbiting Earth?

It seems like every week, another rocket is launched into space carrying rovers to Mars, tourists or, most commonly, satellites. The idea that "space is getting crowded" has been around for a few years now, but just how crowded is it? And how crowded is it going to get?

from Phys.org - latest science and technology news stories https://ift.tt/3nV10bv

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