Discovery Alert: a Long Year for a ‘Cold Saturn’

Discovery Alert: a Long Year for a ‘Cold Saturn’

The Discovery Two giant planets comparable to our own system’s Saturn orbit a star not unlike our Sun some 700 light-years away. The outer planet has the longest year – 483 days – of any found so far by NASA’s TESS (the Transiting Exoplanet Survey Satellite). It’s...
NASA’s Hubble Watches ‘Spoke Season’ on Saturn

NASA’s Hubble Watches ‘Spoke Season’ on Saturn

This photo of Saturn was taken by NASA’s Hubble Space Telescope on October 22, 2023, when the ringed planet was approximately 850 million miles from Earth. Hubble’s ultra-sharp vision reveals a phenomenon called ring spokes. Saturn’s spokes...
Cassini Spacecraft Makes Its Final Approach to Saturn

Cassini Spacecraft Makes Its Final Approach to Saturn

This video shows Cassini’s last two Grand Finale orbits, followed by a distant flyby of Titan that pushes the spacecraft into Saturn (final half orbit, in orange). The video loops twice.     Milestones in Cassini’s final dive toward Saturn. Credits:...