The "redshift" of a galaxy refers to the rate
A. at which is receding.
B. of its fusion.
C. at which it is approaching.
D. at which it is spinning.
Answer: A
You might also like to view...
In terms of inputs of matter, the Earth is a closed system. As a result, nutrients must be recycled to support life
Indicate whether the statement is true or false
During which stage of the cell cycle does a cell grow to approximately double of its original size?
A. mitosis B. gap 2 C. synthesis D. gap 1
Coliform bacteria populations are routinely monitored in drinking water supplies, swimming pools, and at beaches because these bacteria
A. Are especially toxic to animals B. May mutate into severely pathogenic strains C. Are more difficult to find in water D. Indicate the presence of feces in water E. Usually live in pesticide-contaminated water
Compounds which contain a carbon-carbon double bond are classified as which of the following?
A) alkanes B) alkenes C) alkynes D) arenes