Chapters 1-4 Flashcards
What does “aster planetes” mean?
“wandering stars”
About twice every 100 years, the path of Venus across the sun can be seen from earth; this is called the ___ of Venus.
transit
The orbital period of a planet is the time it takes to ___.
revolve around the sun
What caused the delay in the eclipse of Io by Jupiter observed by Ole Roemer?
the time for light to travel from Jupiter to earth
An eclipse of the sun can take place only when the moon is ___ the earth and the ___.
between; sun
List the first four terrestial planets in order from the sun:
Mercury, Venus, Earth, Mars
The brightest object in the sky other than the sun and moon is ___.
Venus
Name the four moons of Jupiter:
Callisto, Ganymede, Europa, Io
The average distance from the earth to the sun is ___ miles.
93,000,000
Which is larger, Earth or Mars?
Earth
___ discovered the moons of Jupiter.
Galileo
___ gives Mars its red color
Iron oxide
A large hurricane has been raging on Jupiter for over 400 years. It can be seen through an Earth-based telescope and is known as ___.
The Great Red Spot
Describe a method to locate Mare Crisium
Mare Crisium is a small, dar oval located at 2:00 on the face of the moon.
What would happen to the level of oxygen in the atmosphere if all plant life died?
The oxygen level would decrease and eventually atmospheric oxygen would disappear without plant photosynthesis to replenish it.
