How many Zodiac constellations are there?
A) 28
B) 12
C) 6
D) 365
E) 16
Ans: B) 12
Physics & Space Science
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While surface conditions differ greatly, name three ways that Venus and Earth are indeed "sister planets."
What will be an ideal response?
Physics & Space Science
Counting only the material between us and the galactic Center, we measure a mass of ________ billion Suns
Fill in the blank(s) with correct word
Physics & Space Science
The Sun projects charged particles into space, giving rise to a flow of radiation called the
a. heliosphere. b. solar wind. c. corona. d. chromosphere.
Physics & Space Science
The refractive power of a lens of focal length 40 cm is
A. 4.0 D. B. 0.40 D. C. 2.5 D. D. -2.5 D. E. 0.16 D.
Physics & Space Science