There is still so much we don’t know about the universe.
In fact, scientists have only identified about a million solar system objects in space, and expect to find millions more in the next decade or so.
National Geographic science writer Michael Greshko authored the magazine’s September 2021 cover story, Mysteries of the Solar System. He joins Smart Talk Thursday to share details of a behind-the-scenes visit to the construction site of NASA’s Lucy spacecraft in Colorado in 2020, as it prepared for launch.
For more on this story, visit natgeo.com/space.
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