The photosphere is about 100 times the diameter of the Earth, and large sunspots are larger than our whole planet
Indicate whether the statement is true or false
TRUE
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Temperature Scales: Which two temperature changes are equivalent?
A. 1 K = 1 F° B. 1 F° = 1 C° C. 1 C° = 1 K D. None of these
While the mantles of Jupiter and Saturn are made of liquid metallic hydrogen, the mantles of Uranus and Neptune are chiefly
A) water. B) rock. C) helium. D) methane. E) ammonia.
An astronaut's normal weight it 600 newtons. How much will she weigh while orbiting in a satellite at 12,000 kilometers [two earth radii] above the surface of Earth?
A) zero B) 300 newtons C) 200 newtons D) 67 newtons E) 150 newtons
A ball is dropped from a rooftop of a building and falls for two seconds. The acceleration of gravity is 9.8 m/s2 . The ball is referred to at the two-second time. The ball is referred to at the two-second time. The acceleration is __________
Fill in the blank(s) with correct word