Pallas, the second largest asteroid, the second to be discovered. It was first observed by the German astronomer Heinrich Olbers in 1802. It is about 480 km (about 300 mi) in diameter, and it revolves about the sun in 1684 days.
Showing posts with label Pallas. Show all posts
Showing posts with label Pallas. Show all posts
Subscribe to:
Posts (Atom)
POPULAR POSTS
-
Comet, a small celestial body consisting mostly of dust and gases that moves in an elongated elliptical or nearly parabolic orbit around the...
-
Standard time, civil time used within a given time zone. The earth is divided into 24 time zones, each of which is about 15° of longitude w...
-
Star (astronomy), massive shining sphere of hot gas . Of all the stars in the universe , our Sun is the nearest to Earth and the most exten...