Answer: Option D
Answer: (d)Asteroids are rocky debris of varying sizes orbiting the Sun. Most of the asteroids are small but some have diameters as large as 1000 km.There are millions of asteroids, many thought to be the shattered remnants of planetesimals, bodies within the young Sun’s solar nebula that never grew large enough to become planets.The large majority of known asteroids orbit in the asteroid belt between the orbits of Mars and Jupiter, or are co-orbital with Jupiter. Asteroids vary greatly in size, from almost 1,000 km for the largest down to rocks just tens of metres across.