When astronauts sleep in space, they sleep in small cabins or in sleeping bags that are attached to the wall of the station.Which condition requires them to attach their sleeping bags to the wall?
How has technology affected the Curiosity rover’s mission to study the surface of Mars? Check all that apply.Scientists have moved the rover about 5 kilometers since landing on the planet in 2012.Curiosity drilled samples from the floor of an ancient lakebed.Samples of soil and rocks suggest that Mars was unlikely to ever have had water on its surface.Curiosity's instruments found carbon-containing organic molecules and nitrogen in a form useable to life.Reconnaissance photos from the Mars orbiter provided scientists with information on maneuvering Curiosity to new locations.
Which part of the electromagnetic spectrum helped astronomers understand that the crab nebula contains hydrogen?
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