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Planet missions and Discoveries

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

This planet was discovered by William Hershel in the 1700s. The first to be discovered with a telescope.

a)

Uranus

b)

Saturn

c)

Neptune

d)

Pluto

2.

Who discovered Pluto?

a)

William Hershel

b)

Clyde Tombaugh

c)

Galileo

d)

Cassini

3.

This probe used a parachute to land on Titan.

a)

New Horizons

b)

Cassini-Huygens

c)

Voyager II

d)

Messanger

4.

Messenger mapped the surface of this planet.

a)

Venus

b)

Mars

c)

Ceres

d)

Mercury

5.

Though Galileo was the first to see it with a telescope, this planet is most associated with Cassini and Huygens.

a)

Jupiter

b)

Saturn

c)

Mars

d)

Venus

6.

DAWN was a mission that orbited this dwarf planet as well as one other object

a)

Eris

b)

Mars

c)

Ceres

d)

Jupiter

7.

It might have been discovered by Galileo, but Urbain le Verrier and a team of mathematicians, found it in the 1800s

a)

Uranus

b)

Saturn

c)

Pluto

d)

Neptune

8.

Uranus and Neptune have only ever been visited by...

a)

Voyager II

b)

New Horizons

c)

Mariner

d)

Intrepid

9.

This is probably the most visited planet: Mariner, Pioneer, Pathfinder, Curiosity, InSight, Spirit, Opportunity, and is currently being studied by a helicopter.

a)

Mercury

b)

Venus

c)

Jupiter

d)

Mars

10.

Juno is on a polar orbit of this planet, taking some amazing pictures of its swirling atmosphere and storms.

a)

Mars

b)

Jupiter

c)

Saturn

d)

Venus

11.

Which of these planets was NOT known since ancient times?

a)

Mercury

b)

Uranus

c)

Mars

d)

Saturn

e)

Jupiter

12.

Which of these objects has never been visited by a space probe?

a)

Pluto

b)

Titan

c)

Ceres

d)

Eris