Back in 2017, astronomers discovered the first interstellar object, ‘Oumuamua, as it swung through our solar system. And, just a few weeks ago, scientists spotted a second one — called C/2019 Q4 ...
New telescopes will give breathtaking insight into what, or who, is visiting Earth's neighborhood. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...
In 1975, Jill Tarter, then at NASA’s Ames Research Center, coined the term “brown dwarf.” Before that time, astronomers hypothesized the existence of so-called black dwarfs, dark objects that were ...
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