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space exploration

OSIRIS-REx spacecraft captures closest ever image of asteroid Bennu

Space

OSIRIS-REx spacecraft captures closest ever image of asteroid Bennu

NASA has captured its closest and most detailed image yet of Bennu, a 78 billion-kilogram asteroid which approaches close to Earth every six years

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Cosmic microwave background

Definition

Cosmic microwave background

General_relativity

Definition

General relativity

Hubble Space Telescope

Definition

Hubble Space Telescope

astronauts

Space

Mission to Mars: The complete guide to getting to the Red Planet

Features

Second law of thermodynamics

Definition

Second law of thermodynamics

Black holes

Definition

Black holes

Earthrise

Definition

Earthrise

International Space Station

Space

NASA will let people pay to stay on the International Space Station

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We've seen signs of a mirror-image universe that is touching our own

Space

We've seen signs of a mirror-image universe that is touching our own

New experiments are revealing hints of a world and a reality that are complete reflections of ours. This mirrorverse may be able to solve the mystery of the universe's missing dark matter

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Space

NASA has selected three lunar landers to bring science to the moon

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Physics

NASA is running a competition to figure out how to settle the galaxy

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Space

SpaceX’s bright Starlink satellites are upsetting astronomers

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Space

By Jupiter! How the solar system’s giant made Earth ripe for life

Features

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