__________are long spiral pattern of bright stars, star clusters, gas, and dust
A) Spiral stars
B) Spiral tracers
C) Spiral clouds
D) Spiral arms
D
Physics & Space Science
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A neutrino is ______________
a. a photon of light b. a positively charged particle c. a subatomic particle d. a negatively charged particle
Physics & Space Science
The resistance of a mineral to abrasion is known as ________.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
What is the most important consideration in the "habitable zone" of a planetary system?
What will be an ideal response?
Physics & Space Science
At what average rate is the cheetah burning Calories?
a. 4.09 Cal/s b. 12 840 Cal/s c. 4 280 Cal/s d. 1.023 Cal/s
Physics & Space Science