Asteroid impact on moon blasted two grand canyons in 10 seconds - Yahoo! Voices
- Asteroid impact on moon blasted two grand canyons in 10 seconds Yahoo! Voices
- Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon Space.com
- Why it’s good for NASA that an asteroid carved out 2 grand canyons on the moon WAVY.com
- The moon’s two grand canyons formed in less than 10 minutes Science News Magazine