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Transcripts for CNN CNN Newsroom With Poppy Harlow and Jim Sciutto 20220207 15:57:00

Tracking more than 40,000 objects in space about only 5,000 are active satellites. the vast majority of space junk from two major players in the first space race. russia and the united states. if these spacecraft were left by the u.s. government and in general, they were, then that becomes their responsibility to clean it up in the same way the military would not leave a broken down tank on the battlefield nor would it go ahead and leave a derelict ship at sea. reporter: so far, the effort to clean up space led by japan in the european space agency and private companies. some companies like clear space are trying to grab debris with robotic tentacles and others trying to catch it with a massive fishing net and in august, a company called astroscale successfully tested the satellite with the magnetic arm. we use a robotic arm that ....

Space Junk , Space Race , Katie Bolilis , Space Led , European Space Agency , Called Astroscale , Fishing Net ,

Author says life on Earth wouldn't exist without meteorites

The Tucson Gem and Mineral Show wraps up Feb. 13. There, you can find pretty much everything  from vintage beads to ancient fossils to meteorites.And that’s a subject Greg Brennecka knows a lot about. Brennecka is a cosmochemist and author of the new book, "Impact: How Rocks from Space Led to Life, Culture and Donkey Kong."The Show spoke with him to learn  about his favorite ....

Greg Brennecka , Xenia Ritter , Tucson Gem , Mineral Show , Show Rocks , Space Led , Donkey Kong ,