non-carbonaceous: Encyclopedia - 251 Sophia251 Sophia is a quite typical Main belt asteroid. Its surface is lightly coloured indicating a non-carbonaceous composition.
It was discovered by Johann Palisa on October 4, 1885 in Vienna and was named after Sophia, wife of astronomer Hugo von Seeliger.
...
Read more here: » 251 Sophia: Encyclopedia - 251 Sophia |