Space

NASA’s Lucy mission: A space rock received a moon after a sun-triggered earthquake

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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news of fascinating discoveries, scientific breakthroughs and more. CNN — Astronomers were in for a surprise when NASA’s Lucy mission flew past an asteroid named Dinkinesh in November and spotted a contact binary system — two smaller space rocks touching each other — … Read more

Euclid Space Telescope Finds 1.5 Trillion Orphan Stars Wandering in the Perseus Cluster (Images)

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A Euclid image of the Perseus cluster of galaxies bathed in a gentle, soft blue light emanating from orphan stars. These orphan stars are dispersed throughout the cluster, extending up to 2 million light-years from its centre.

Using the Euclid Space Telescope, scientists have discovered a staggering 1.5 trillion orphan stars moving through a vast cluster of thousands of galaxies, one of the largest structures in the cosmos. These orphaned stars, torn from their own galaxies, fill the space between the Perseus cluster galaxies with a ghostly blue light. This so-called “inner … Read more