Kardashev scale
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What links here
Space telescope
Terrestrial Planet Finder
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Polar Satellite Launch Vehicle
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Hermann Oberth
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Timeline of Solar System exploration
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Infrared astronomy
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Betelgeuse
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Astronomy
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Earth observation satellite
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Saturn
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X-ray astronomy
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Hubble Space Telescope
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Planetary nebula
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Spacecraft
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William Herschel
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Space exploration
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Satellite
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Solar System
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Moon
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European Space Agency
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Astronomical satellite
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Space-based telescope
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