Pretend you are on a morning time mission on the surface of Venus. When looking out the spacepod window you are likely to see
A) the Sun rising in the West.
B) the Sun rising in the East.
C) fierce windstorms everywhere you look.
D) thick and still smog-like cloud cover.
Answer: D
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A__________is a supernova explosion caused by the collapse of a massive star
A) type II supernova B) type I supernova C) type Ia supernova D) type III supernova
Why is our galaxy called the 'Milky Way?'
A: The term 'Milky Way Galaxy' is derived from the Greek word for milk, and there appeared to be a stream of milk running across the sky. B: A certain candy company paid an insane amount of money to have the entire galaxy named after one of its products. C: The name was chosen during a 1980 International Astronomical Union conference. D: "Milky Way" is a mis-translation of the original Sumerian name which meant "river of tears." E: The name "Milky Way" refers to a mystical treatise written by a stargazing Italian monk during the Renaissance period.
A uniform rod is 2.0 m long. The rod is pivoted about a horizontal, frictionless pin through one end. The rod is released from rest at an angle of 30° above the horizontal. What is the angular acceleration of the rod at the instant it is released?
a. 4.7 rad/s2 b. 6.9 rad/s2 c. 6.4 rad/s2 d. 5.6 rad/s2 e. 4.2 rad/s2
Significant Figures: What is the quotient of 2.43 ÷ 4.561 expressed to the correct number of significant figures?
A. 5.3278 × 10-1 B. 5.328 × 10-1 C. 5.33 × 10-1 D. 5.3 × 10-1