If You Were to Design a Spacecraft That Could Travel

question 33

Multiple Choice

If you were to design a spacecraft that could travel to the galactic center fast enough that the astronauts aboard only aged by 25 years during the trip, how fast would the spacecraft have to go? The galactic center is 25,000 light years away.

• A) 0.95c
• B) 0.995c
• C) 0.99995c
• D) 0.9999995c
• E) 0.999999995c

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Definitions:

Organic Product

A chemical compound that primarily contains carbon atoms, typically synthesized in a laboratory or isolated from living organisms.

Aldol Product

A compound produced by an aldol condensation reaction, typically involving the formation of a β-hydroxy ketone or aldehyde.

4-methylpentanal

An organic compound, specifically an aldehyde, with the chemical formula C6H12O, characterized by a methyl group attached to the fifth carbon of a pentanal chain.

Sodium Hydroxide

A highly caustic and strong base used in many industries; it is also known as lye or caustic soda.