Pulsar

Science Glossary

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Space exploration
Search for life in the Universe
Planetary Nebula Mz3
Planets
Solar system Data

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Observing the sky
The daytime sky
The nighttime sky
The sky at different latitudes
Why the stars seem to move
Constellations

An astronomer's view of the universe
The solar system
Stars
The universe

Astronomers at work
Locating objects in the sky
Observing with telescopes
Using spectroscopy
Measuring distances in space
Brightness measurement
Using computers
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History
Greek astronomy
The Ptolemaic system
The beginnings of modern astronomy
Galileo and Newton
Explaining the origin of the solar system
The discovery of new planets
The development of spectral analysis
A new view of the universe
The development of radio astronomy
Space exploration
Astronomy today