21 February 2026
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William Folkner

News

Saturn spacecraft not affected by gravity of hypothetical Planet 9

9 April 2016 Astronomy Now

Several recent news stories have reported that a mysterious anomaly in the orbit of NASA’s Cassini spacecraft around Saturn could potentially be explained by the gravitational tug of theorised Planet 9, existing far beyond the orbit of Neptune in our solar system. However, NASA cannot find any unexplained deviations in the spacecraft’s orbit.

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News Headlines

  • Dr Allan Chapman (1946-2026)
    26 January 2026
  • Potentially bright ‘sungrazing’ comet discovered
    16 January 2026
  • Thank you from the editor
    17 December 2025
  • Hubble revisits a cosmic yardstick
    25 October 2025
  • Europe’s planet hunting spacecraft complete and ready for final testing
    21 October 2025

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