Question 678: Sikhote-Alin is a well-known name to Space enthusiasts. But who or what was he/ she / it? Author: David Bryant - Category: General Astronomy Difficulty: 4/5 - Zone: World
An iron meteorite that exploded over Russia in 1947
A Russian space scientist, who designed the Buran space shuttle
A pair of colliding galaxies in the constellation of Cepheus
The location of Russia's largest terrestrial telescope
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