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Asteroid: Quiz


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Question 1: The vast majority of known asteroids orbit within the main asteroid belt between the orbits of Mars and ________, generally in relatively low-eccentricity (i.e., not very elongated) orbits.
Callisto (moon)Ganymede (moon)JupiterIo (moon)

Question 2: The rubble piles, moons, binaries, and scattered ________ are believed to be the results of collisions which disrupted a parent asteroid.
Eunomia familyAsteroid familyFlora familyAsteroid belt

Question 3: However, on some very rare occasions, a near-Earth asteroid may briefly become visible without technical aid; see ________.
Near-Earth object(144898) 2004 VD17Moon99942 Apophis

Question 4: What does the following picture show?

  Asteroid Vesta (left) and dwarf planet Ceres (center), with Earth's Moon (right) shown to scale
  243 Ida and its moon Dactyl. Dactyl is the first satellite of an asteroid to be discovered.
  253 Mathilde, a C-type asteroid measuring about 50 kilometres (30 mi) across. Photograph taken in 1997 by the NEAR Shoemaker probe.
  This picture of 433 Eros shows the view looking from one end of the asteroid across the gouge on its underside and toward the opposite end. Features as small as 35 m (115 ft) across can be seen.

Question 5: The ________ Ceres is the largest object in the asteroid belt, with a diameter of over 975 km (606 mi).
Solar SystemDwarf planetEuropa (moon)Pluto

Question 6: Second, the two ________ of the same region were viewed under a stereoscope.
FilmMovie theaterIndependent filmFilmmaking

Question 7: It has been suggested that asteroids might be used in the future as a source of materials which may be rare or exhausted on earth (________), or materials for constructing space habitats (see Colonization of the asteroids).
Space manufacturingIronAsteroid miningAsteroids in fiction

Question 8: The first asteroid, 1 Ceres, was not discovered by a member of the group, but rather by accident in 1801 by ________, director of the observatory of Palermo in Sicily.
AstronomyJupiterGiuseppe PiazziAsteroid belt

Question 9: The distinction between asteroids and ________ is made on visual appearance: Comets show a perceptible coma while asteroids do not.
SunCometSolar SystemCentaur (minor planet)

Question 10: The first close-up photographs of asteroid-like objects were taken in 1971 when the Mariner 9 probe imaged Phobos and Deimos, the two small moons of ________, which are probably captured asteroids.
Mars landingLife on MarsMarsWater on Mars

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