terminator
What gives Mars its red color?
Iron Oxide or rust
Another name for the terrestrial planets is _________.
inner planets
What does asteroid mean?
star-like
A cloud of gas and dust in space ___________.
Nebula
An eclipse of the sun can take place only when the moon is ________ the earth and the ________.
between, sun
What does "aster planetes" mean?
What is the brightest object in the sky other than the sun and the moon?
Venus
The purpose of a telescope is for magnification and to __________ light.
gather
The closet approach to the sun in an orbit __________________________.
perihelion
A hoax to sell more newspapers was called ____________________.
The Great Moon Hoax
What are the two moons of Mars?
Phobos and Deimos
The orbital period of a planet is the time it takes to _________.
Galileo's first telescope used a ____________ lens.
convex
The apparent movement of an object caused by the actual movement of the observer is _______________.
parallax
The first moon landing was in what location on the moon?
Sea of Tranquility
The first feature on Mars seen with a telescope was named __________________.
Syrtis Major
What separates the inner and outer planets?
The type of telescope that uses a glass lens to focus light ______________.
refractor telescope
The tallest planetary mountain in the Solar System located on Mars is called __________________.
Olympus Mons
The three types of solar eclipse are __________, __________, and __________ .
partial, annular, and total
Percival Lowell
What are the 4 terrestrial planets?
Mercury, Venus, Earth, Mars
What new telescope design did Isaac Newton introduce?
reflecting telescope
How far an ellipse has been stretched out; the distance between the foci (focal length) _________________.
eccentricity