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Hubble Space Telescope

Where do meteorites come from?

Question

Where do meteorites come from?

Most meteorites are bits of asteroid, which are themselves leftovers from the formation of the solar system.
astronaut on moon

Space

NASA is going back to the moon but most people in the US don't want to

News

Definition

Tiangong space station

LightSail 2

Space

SpaceX is about to launch a sail propelled through space by sunshine

News

Mercury

Space

How Mercury and Venus can guide our hunt for alien life on exoplanets

Features

Don't miss: men on the moon, robots in orbit and museums in the street

Space

Don't miss: men on the moon, robots in orbit and museums in the street

Culture

A comet in the solar system

Space

ESA plans triple spacecraft to lurk in wait for a speedy comet

News

Albert Einstein smoking a pip

People in Science

Albert Einstein

OSIRIS-REx spacecraft captures closest ever image of asteroid Bennu

Space

OSIRIS-REx spacecraft captures closest ever image of asteroid Bennu

News

Cosmic microwave background

Definition

Cosmic microwave background

Cosmic microwave background is a sea of radiation that provides us with evidence for the big bang.  The big bang is now orthodoxy, although without a theory than unifies general relativity with quantum theory, we’re stuck in explaining exactly what it was or why it happened.

Definition

General relativity

Definition

Hubble Space Telescope

Space

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

Features

Definition

Second law of thermodynamics

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