Distant Galaxies We Can See Today with a Redshift of Z

question 55

Multiple Choice

Distant galaxies we can see today with a redshift of z $\approx$ 6 emitted their light when the universe was:

• A) five times smaller than it is today
• B) six times smaller than it is today
• C) seven times smaller than it is today
• D) eight times smaller than it is today
• E) the same size as it is today

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Definitions:

Erosion

The process by which soil, rock, and other surface material are worn away by wind, water, or other natural agents.

Combustion

A chemical reaction that occurs when a substance reacts with oxygen to produce heat and light, commonly seen in burning.

Carbon Dioxide

A clear, scentless gas that is a byproduct of burning carbon-based substances and the respiration process, which is utilized by plants during the process of photosynthesis.

Terrestrial

Terrestrial refers to organisms or environments that are land-based, as opposed to aquatic or marine.