Radio telescopes image a universe much ________ in temperature than with visible light
Fill in the blank(s) with correct word
colder
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If one star has a temperature of 4000 K and another star has a temperature of 40,000 K, how much more energy per second will the hotter star radiate from each square meter of its surface? ____________________
Fill in the blank(s) with correct word
Luminosity class IV objects are known as ____________________
Fill in the blank(s) with correct word
The presence of vesicular basalts among the lunar rock samples shows that
a. the lunar surface was fragmented by meteorite impacts. b. volcanism did not occur on the Moon. c. the crust must have been made of anorthosite. d. molten lava once flowed over the lunar surface. e. the Moon was once hit by a very large meteorite.
Eric watches a jet powered truck during an "air-show." It accelerates from rest to 300. mph in 8.0 seconds. The acceleration was equivalent to how many "g's"?
What will be an ideal response?