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Cassini's biggest moments and discoveries
NASA launched Cassini in 1997 to explore Saturn and its moons. Dr. Earl Maize explains what we've learned from the spacecraft's journey.
1:29
• Source:
CNN
Amazing Outer Space
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SpaceX rocket launch lights up evening sky
01:09
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• Source:
CNN Business

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Scientists detect 'fingerprint' of earliest light in the universe
















