A flask half filled with water is on a weighing scale. If you suspend a stone by a string into the water the scale reading will be
A) less.
B) the same.
C) greater.
Answer: C
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Neutron stars were first discovered in the 1930's
a. True b. False Indicate whether the statement is true or false
"All distant galaxies are moving away from us, and the farther away a galaxy is from us, the faster it is moving" is a statement of ______________ law
Fill in the blank(s) with correct word
Why does the Sun look flattened near the horizon?
A. The Sun is cooler on the horizon, so it looks flattened. B. The larger refraction near the horizon lifts the lower edge of the Sun more than the upper edge and makes the Sun look flattened. C. The Sun's light is reflected off the horizon, making the Sun appear compressed. D. Earth's dense atmosphere compresses the gaseous Sun.
The Kepler mission uses which technique to detect planet candidates?
A) Radial velocity measurements B) Direct imaging C) Measurements of transverse motion D) Planetary transits