Pluto : Full of Surprises

How long did it take for the spacecraft to arrive on Pluto?

(a)  

• 10 years
• 2 years
• 50 years
• 100 years

the gases that surround a planet or other body in space

(a)  

• nitrogen
• atmosphere
• haze
• hydrocarbon

the state of having many different parts (noun)

(a)  

• complex
• complicated
• complexity
• tangled

Information; facts (noun)

(a)  

• baidu
• mass
• databased
• data

a body that travels around the sun, but does not meet the rules for a planet

fine dust, smoke, or water vapor floating in the air (noun)

(a)  

• haze
• vapor
• hazy
• atmosphere

a compoud; it is made up of only carbon and hydrogen.

Think about the news story. Which had not yet taken place?

• New Horizons reached Pluto

• NASA sent New Horizons into space.

• New Horizons sent the first photos of Pluto.

• All the data from New Horizons reached Earth.

A round pit left behind on the surface of a planet or other body in space after a smaller object strikes the surface.

(a)  

• impact crater
• dwarf planet
• solar system
• meteorite

a measure of how much matter an object is made of(noun)

• massive

• reveal

• weight

• mass