Greg Ackerson

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  NASA's Dragonfly nuclear-powered helicopter clears key hurdle ahead of 2028 launch toward huge Saturn moon Titan

  • Started by Admin
  • Today at 11:00 AM
  • Replies: 0

  Article Commentary
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  Flatlander 3D: Hypersphere to Flat Space

  • Started by Gibsense
  • Jun 5, 2024
  • Replies: 127

  Cosmology
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  The new 'Doctor Who' episode 'The Well' is actually a sequel to a David Tennant classic

  • Started by Admin
  • Today at 10:00 AM
  • Replies: 0

  Article Commentary
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  This Week In Space podcast: Episode 158 — Hubble's 35th Birthday

  • Started by Admin
  • Today at 9:41 AM
  • Replies: 0

  Article Commentary
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  Meet the 'Doctor Who' actors who brought the retrofuturistic robots to life for season 2's 'The Robot Revolution' (interview)

  • Started by Admin
  • 50 minutes ago
  • Replies: 0

  Article Commentary
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  Ask Me Anything Ask Dr. Joe - Now WEEKLY!

  • Started by DrJoePesce
  • Feb 14, 2022
  • Replies: 232

  Our Solar System
• A

  Universal Motion Theory

  • Started by Astraeus
  • Apr 11, 2025
  • Replies: 40

  Cosmology