bar
- = 0.987 atmosphere = 1.02
kg/cm2 = 100 kilopascal = 14.5 lbs/square inch.
- Barnard, Edward Emerson
1857-1923
- American astronomer; discovered Jupiter's
satellite Amalthea and Barnard's star, the
second-nearest star system to the Sun.
- Barsoom
- The local name for Mars in Edgar Rice Burroughs'
SF books.
- billion
- I use the American version of "billion"
which means 1,000,000,000 (1e9); not the British
version which means 1e12.
- Bode, Johann Elert
1747-1826
- German astronomer, known for the bogus
"Bode's Law" which attempts to explain
the sizes of the planetary orbits.
- bolide
- a fireball that
produces a sonic boom
- Bond, William Cranch
1789-1859
- One of the earliest American astronomers of note;
rose from poverty and overcame a lack of formal
education to become the first director of the
Harvard College Observatory where he studied Saturn and (with
Lassell) discovered
its moon Hyperion.
- Brahe, Tycho 1546-1601
- (a.k.a Tyge Ottesen) Danish astronomer whose
accurate astronomical observations formed the
basis for Johannes Kepler's
laws of planetary motion.
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