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Planetary

A guide to interesting stuff going on in space science, space exploration, and space advocacy.
  1. Ryugu has continued to grow in Hayabusa2's forward view, resolving into a diamond-shaped body with visible bumps and craters! They've done hazard searches, optical navigation imaging, and measured the rotation rate at 7.6 hours.
  2. How dangerous are near-Earth asteroids, and what will we do if we find one headed toward Earth?
  3. Hayabusa2 continues to approach asteroid Ryugu, revealing the 900-meter-wide world in all its glory.
  4. Entrenched in the west rim of Endeavour Crater, veteran robot field geologist Opportunity is hunkered down in Perseverance Valley in a kind of hibernation mode.
  5. Propelled by the perfect combination of xenon ions, hydrazine rocket propellant and adrenaline, Dawn is on the verge of its most ambitious exploits yet.