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It's big enough, it's close enough, it's the right color and, dogonnit, scientists like it enough to visit.
Perfect launch sends tiny craft on a 4-billion-mile journey to bring back a handful of dust.
- University of Arizona counting down to asteroid mission
- UA-led mission to asteroid is ready for space
- Key dates in University of Arizona-led quest for asteroid pebbles
- Bennu asteroid like Goldilocks, just right for OSIRIS-REx mission
- OSIRIS-REx will 'high five' — not land — on asteroid
- Weather should not be problem for OSIRIS-REx launch
- Thursday is launch day for OSIRIS-REx mission to asteroid
- OSIRIS-REX: Navigating by starlight on its new journey to asteroid
- New University of Arizona center hopes to bring order to space chaos
- University of Arizona-led OSIRIS-REx mission also scanning space for 'Trojan' asteroids
- Astronomers say Arizona becoming hub for asteroid exploration
- On long journey to asteroid hookup, OSIRIS-REx seeks 'Trojans'
- No Trojan asteroids found, but OSIRIS-REx successfully prepares on-board cameras
- ASU's journey to asteroid Psyche is shortened by 4 years
- University of Arizona astronomer gets unprecedented view of exploding star
- UA scientists thrilled with OSIRIS-REx photos of Earth as it heads to asteroid
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