Exploring the Moon
Mars
Terrestrial Planets
Telescopes
Vocabulary
100
The line between light and dark _______________.

terminator

100

What gives Mars its red color?

Iron Oxide or rust

100

Another name for the terrestrial planets is _________.

inner planets

100

What does asteroid mean?

star-like

100

A cloud of gas and dust in space ___________.

Nebula

200

An eclipse of the sun can take place only when the moon is ________ the earth and the ________.

between, sun

200

What does "aster planetes" mean?

wandering stars
200

What is the brightest object in the sky other than the sun and the moon?

Venus

200

The purpose of a telescope is for magnification and to __________ light.

gather

200

The closet approach to the sun in an orbit __________________________.

perihelion

300

A hoax to sell more newspapers was called ____________________.

The Great Moon Hoax

300

What are the two moons of Mars?

Phobos and Deimos

300

The orbital period of a planet is the time it takes to _________.

revolve around the sun
300

Galileo's first telescope used a ____________ lens.


convex

300

The apparent movement of an object caused by the actual movement of the observer is _______________.

parallax

400

The first moon landing was in what location on the moon?

Sea of Tranquility

400

The first feature on Mars seen with a telescope was named __________________.

Syrtis Major

400

What separates the inner and outer planets?

the asteroid belt
400

The type of telescope that uses a glass lens to focus light ______________.

refractor telescope

400

The tallest planetary mountain in the Solar System located on Mars is called __________________.

Olympus Mons

500

The three types of solar eclipse are __________, __________, and __________ .

partial, annular, and total

500
Who was the person that built an observatory devoted to studying Mars?

Percival Lowell

500

What are the 4 terrestrial planets?

Mercury, Venus, Earth, Mars

500

What new telescope design did Isaac Newton introduce?

reflecting telescope

500

How far an ellipse has been stretched out; the distance between the foci (focal length) _________________.

eccentricity