"Observing the Solar System" pp.72-77, Ch. 3, Sec.1 Prentice Hall Science Explorer Astronomy

Question 1

Other than planets, what other objects make up our Solar System?

Accepted Answer

All of the above

Question 2

Planets actually revolve around the Sun in orbits called ...

Accepted Answer

ellipses.

Question 3

The Polish astronomer most famous for developing the heliocentric system in the 1500's was ...

Accepted Answer

Nicolaus Copernicus.

Question 4

The Greek word for "Sun" is ...

Accepted Answer

"helios".

Question 5

Which astronomer was most likely to believe in this model?

Accepted Answer

Claudius Ptolemy

Question 6

One of Galileo's discoveries that helped prove the heliocentric model was ...

Accepted Answer

the fact that Venus as seen from Earth, goes through phases.

Question 7

A model in which the Earth is at the center of the revolving stars and planets is called ...

Accepted Answer

a geocentric system.

Question 8

A system in which the Earth and other planets revolve around the Sun is called ...

Accepted Answer

a heliocentric system.

Question 9

What names did the Romans give to the "wandering stars" that the Greeks discovered?

Accepted Answer

Saturn, Jupiter, Mars, Venus and Mercury.

Question 10

We now recognize eight planets in our Solar System. Which of these were unknown to Galileo?

Accepted Answer

Neptune and Uranus

Question 11

From 1930 to 2006, this object was considered a planet, but is now classified as a dwarf planet

Accepted Answer

Pluto

Question 12

It was proven that not everything in the sky revolved around Earth when ...

Accepted Answer

moons were discovered orbiting around Jupiter.

Question 13

What would this picture have represented to the ancient Greeks?

Accepted Answer

A celestial dome.

Question 14

The ancient Greeks called the star patterns that did not seem to change relative position ...

Accepted Answer

constellations.

Question 15

This astronomer used Tycho Brahe's observations to prove planetary orbits were not circles.

Accepted Answer

Johannes Kepler

Question 16

Discoveries made by this famous Italian astronomer helped the heliocentric system was correct.

Accepted Answer

Galileo Galilei

Question 17

What did the ancient Greeks call stars that "wandered" about the sky from night to night?

Accepted Answer

planets.

Question 18

Which sequence of planets is correct from closet to the Sun to farthest away?

Accepted Answer

Mercury, Venus, Earth, Mars, Jupiter,Saturn, Uranus, Neptune

Question 19

This Danish astronomer recorded the positions and movements of the planets over 20 years.

Accepted Answer

Tycho Brahe

Question 20

The Greek astronomer most famous for developing the geocentric system about 140 A.D. was called

Accepted Answer

... Claudius Ptolemy.

Questions 20