CAPE CANAVERAL, Fla. — Final steps are underway here to prepare the next sun-observing spacecraft, a $1.5 billion joint project between NASA and the European Space Agency (ESA), for launch. Dubbed ...
There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...
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