teen choices u 3 l 1

He was a wonderful ... who not only was very clever but had a deep sense of scientific rigor

• scientist

• scentist

Love looks with a ...; envy with a microscope.

• telescope

• telescoape

NASA astronauts prepared to board the ... and begin their exploration of the area around the moon

• comet

• spaceship

The Moon ... around the Earth.

• astronauts

• orbits

A ... is a giant planet composed mainly of hydrogen and helium.

• gas giant

• light years

The sky was aflame with the ..., the eerily luminous northern lights

• aurora borealis

• aurora boralis

A ... is around 5.9 trillion miles and used to measure how far things are apart in space.

• liht-year

• light-year

Buzz Aldrin is a retired ... and part of the first lunar landing of Apollo 11

• astronaut

• astronut

Someone asked about the difference between an asteroid and a ....

• comet

• comat