Best Astronomy Software Apps and Services

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Celestia

Celestia

Open Source

Celestia is a 3D astronomy program, The program is based on the Hipparcos Catalogue (HIP) and allows users to travel through an extensive universe, modeled after reality, at any speed, in any direction, and at any time in history.

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Celestia

Celestia

Open Source

Celestia is a 3D astronomy program, The program is based on the Hipparcos Catalogue (HIP) and allows users to travel through an extensive universe, modeled after reality, at any speed, in any direction, and at any time in history.