Dactyl was photographed by the Galileo spacecraft. It is:
A) a moon of the asteroid Ida.
B) a moon of Halley's Comet.
C) one of the small moons of Jupiter, thought to be a captured asteroid.
D) one of the larger asteroids found in the asteroid belt.
E) an Earth-crossing asteroid.
Question 2
The separation of the ________ force from the Grand Unified Force was accompanied by the release of energy which went into forcing an immense inflation of the size of the universe.
Fill in the blank(s) with correct word
NASA Spacecraft Spot Something New On the Sun
The Moon
Asteroid Orbits
The Pyramid of the Moon, looking north up the Avenue of the Dead.
Asteroid Belt
Spacecraft optimum geometrical shape