Articles on Astronomy

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Black holes have a gravitational pull so strong that no objects close to them can escape. Victor de Schwanberg/Science Photo Library via Getty Images

Do you need to worry about the Sun turning into a black hole?

Some stars turn into black holes at the end of their lifespans, once they stop burning the fuel in their cores.
Total eclipse in 1999 with a glimpse of the “sun’s corona”, the outermost part of the Sun’s atmosphere, which is usually hidden by the bright light of the Sun’s surface. Luc Viatour/Wikipedia

Solar eclipses are a source of fascination, legends and scientific discovery

What’s the most impressive natural phenomenon known to humankind? Probably a solar eclipse! Here’s a brief overview ahead of this summer’s big celestial event.
Reflect Orbital’s plans to have more than 50,000 satellites reflecting sunlight back to earth could disrupt the circadian rhythms of plants, animals and humans. (Unsplash/Mariana Proença)

The U.S. just approved a giant space mirror to test ‘sunlight on demand.’ Low Earth orbit is getting weird

From space hotels and artificial meteor showers, to a new giant mirror that reflects sunlight to Earth — low-Earth orbit is getting weird.

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