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Space is the expanse that exists beyond the Earth and celestial bodies. In space, there is no appreciable air to breathe and no blue sky because oxygen molecules are not in enough abundance to make the sky blue. The sound cannot be carried in space because molecules are not close enough to each other to transmit sound waves between them. No one knows exactly how big space is.
Virgin Orbit succeeded in the second test of its small satellite-launching rocket from a jet. Virgin Orbit's rocket reached orbit, and the satellites were released.
The video shows the spectacle of a 12-story-tall vehicle executing a controlled fall and landing flip maneuver.
If successful, the Chang'e 5 mission would make China the third country to retrieve rock samples from the Earth’s satellite and deliver them to our planet, after the US Apollo and the Soviet Luna missions over fifty years ago.
The flight called Crew-1 marks the first operational mission of the Crew Dragon as well as a new era of regularly sending people to the ISS for NASA.
NASA's Curiosity Mars Rover took a selfie in an area of the Red Planet called Mary Anning, named after the British explorer.
The OSIRIS-REx spacecraft coped with its task successfully and packed a container with sample particles of matter from asteroid Bennu inside a special capsule that will deliver it to Earth in 2023.