If We Lived on a Galaxy 1 Billion Light-Years from Our

question 30

Multiple Choice

If we lived on a galaxy 1 billion light-years from our own,what would we see?

• A) a universe 1 billion years younger than ours
• B) a universe 1 billion years older than ours
• C) much the same universe we see today
• D) Nothing-there are no galaxies 1 billion light-years away from us.

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Definitions:

Chloro

A prefix indicating the presence of a chlorine atom in an organic compound, usually attached to a carbon atom.

Dibromo

A prefix indicating the presence of two bromine atoms in a molecule, often used to describe compounds in organic chemistry.

Bromoalkane

A halogenated compound in which a bromine atom is attached to an alkane.

Dichlorocyclopentane

A cyclic hydrocarbon with a five-membered ring structure, featuring two chlorine atoms attached to the ring.