What parameters determine the position of a galaxy's Galactic Habitable Zone?
A) only the amount of heavy elements in the disk
B) both the amount of heavy elements AND the amount of radiation from the center
C) only the temperature in the galactic disk
D) only the amount of harmful radiation from the center
B
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The lowest amount of solar energy per square meter is incident upon the surface of Earth in the northern hemisphere on or about
a. December 21, the winter solstice. c. September 21, the autumnal equinox. b. March 21, the vernal equinox. d. June 21, the summer solstice.
The scientist ______________ is generally regarded as "the father of geology."
Fill in the blank(s) with correct word
Name all the forms of radiation within the electromagnetic spectrum in the order from shortest to longest wavelength
What will be an ideal response?
One of the first atomic explosion released approximately 1.0 × 1014 J of energy. How much matter had to be changed into energy to produce this yield? (c = 3.0 × 108 m/s)
A) 1.1 g B) 23 g C) 13 g D) 0.45 kg E) 1.1 kg