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Webb telescope to reveal earliest galaxies after Big Bang

NASA's James Webb Space Telescope is poised to reveal some of the earliest galaxies that formed after the Big Bang, the White House said Monday, as anticipation builds for the powerful observatory's first images.

When did the sun blow away the solar nebula?

The story of our solar system's origin is pretty well known. It goes like this: the sun began as a protostar in its "solar nebula" over 4.5 billion years ago. Over the course of several million years, the planets emerged ...

NASA reveals Webb telescope's first cosmic targets

NASA said Friday the first cosmic images from the James Webb Space Telescope will include unprecedented views of distant galaxies, bright nebulae, and a faraway giant gas planet.

Martian meteorite upsets planet formation theory

A new study of an old meteorite contradicts current thinking about how rocky planets like the Earth and Mars acquire volatile elements such as hydrogen, carbon, oxygen, nitrogen and noble gases as they form. The work is published ...

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