'Firefly Sparkle': Nasa's James Webb telescope finds tiny Milky Way-like galaxy
NASA's James Webb Space Telescope has spotted "Firefly Sparkle," a tiny, young galaxy from just 600 million years after the ...
Reuters8 天
Firefly Sparkle galaxy offers a taste of the infant Milky Way
It has a mass equal to about 10 million stars the size of our sun, and has two other relatively small galaxies as neighbors, dubbed Firefly-Best Friend and Firefly-New Best Friend. It is comprised ...