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Redshift video

Excellent sixty symbols video explaining redshift (and blueshift) and how it used to determine the direction galaxies are travelling in.

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How far away is stuff?

Great explaining on how we measure distances to stars using parallax and distances to galaxies using Cepheid Variables stars.

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Hits: 1554

Kepler Mission

The official site for NASA's Kepler mission, on a quest to find habitable exoplanets in our galaxy.

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Hits: 1492

The Guide to Space & Astronomy

Leicester University's extensive guide to the solar system, the wider galaxy and space missions with lots of excellent photographs, illustrations and links

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Cepheid Variables as Cosmic Yardsticks

Cepheid Variables stars can tell astronomers how far away galaxies are.

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Hits: 186

15 things you didn't know about outer space

15 things you didn't know about outer space

How many galaxies are there in the universe? Nice infographic with some cool facts about our universe, the solar system and outer space.

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Hits: 2180

Cambridge Cosmology

Links and information on all aspects of cosmology including the Big Bang, Galaxies and Clusters, Cosmic Radiation and Cosmic Strings. All the information is supported with images and there are a ...

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Hits: 4344

Misconceptions about the universe

The expanding universe is a complicated place. This video explains how faster galaxies can move faster than light and how we can see light from beyond our observational universe.

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Hits: 187

Cepheid variable stars as distance indicators.

Read how Cepheid Variable stars can tell you distances to galaxies.

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