1137 Raïssa
Encyclopedia
1137 Raïssa is a main belt asteroid orbiting the Sun
. Approximately 24 kilometers in diameter, it makes a revolution around the Sun once every 4 years. It was discovered by G. Neujmin on October 27, 1929. It is named for Raissa Ivanovna Maseeva, who computed its orbit. Its provisional designation was 1929 WB.
Sun
The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...
. Approximately 24 kilometers in diameter, it makes a revolution around the Sun once every 4 years. It was discovered by G. Neujmin on October 27, 1929. It is named for Raissa Ivanovna Maseeva, who computed its orbit. Its provisional designation was 1929 WB.