It is a common misconception that a light-year is a unit of _______________
Fill in the blank(s) with correct word
time
Physics & Space Science
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In which of the following models will the universe stop expanding?
A) open universe B) critical density universe C) steady state universe D) closed universe E) All have an ultimate collapse.
Physics & Space Science
In the context of the Sun's surface glowing when hot, yellow-hot is hotter than red-hot but not as hot as white-hot
Indicate whether the statement is true or false
Physics & Space Science
The center of the Milky Way lies in the direction of the constellation
A) Cygnus. B) Orion. C) Andromeda. D) Sagittarius. E) Virgo.
Physics & Space Science
Water flows over a section of Niagara Falls at a rate of 1.30 × 10^6 kg/s and falls 52.0 m. What is the power dissipated by the waterfall?
a. 6.6E+8 W b. 6.8E+7 W c. 4.0E+7 W d. 5.3E+8 W e. 8.6E+6 W
Physics & Space Science