Exoplanetology

Astronomers see cataclysmic collision of giant asteroids in nearby galaxy

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Nearly twenty years ago, astronomers observed a huge cloud of fine dust particles around a young star just 63 light-years away from Earth. From recent observations of the Webb Space TelescopeHowever, the dust cloud had mysteriously disappeared. Now a new paper suggests that the dust cloud may have been caused by a violent event that … Read more

Newly discovered exoplanet could have temperatures similar to Earth, astronomers suggest

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A newly discovered exoplanet, estimated to have a remarkably moderate surface temperature, is suddenly one of the most intriguing objects in our immediate sky. This Venus-sized rocky world passes by a red dwarf star, offering astronomers a rare opportunity to investigate whether such planets can maintain their atmospheres and possibly support life. How will time … Read more