Unit 3 Flashcards
Planet Order
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune (My Very Easy Method Just Speeds Up Nothing)
terrestrial
earth like, inner solar system, hot to warm, rocky, small, no rings, few satellites, slow rotation, high density, thin atmosphere, cratered surface, steroid debris
Jovian
Jupiter like, outer solar system, cold, gaseous, large rings, many satellites, fast rotation, low density, thick atmosphere, non-solid surface, comet debris
Mercury
closest to the sun, terrestrial, 467 degrees C sun side and -183 degrees C away side
Venus
similar to Earth but 95 times denser atmosphere resulting in 482 degree C temp
Earth
largest terrestrial, magnetic field, liquid water
Moon phases
new moon (unlit side faces earth), waxing crescent (growing larger), first quarter (see 1/2 of moon), waxing gibbous (see more), full moon (see whole moon), waning gibbous (getting smaller), last quarter (half), waning crescent (smaller)
Solar eclipse
moon’s shadow passes across earth
umbra
darkest shadow in solar eclipse
penumbra
where only some light is blocked in solar eclipse
lunar eclipse
moon passes through Earth’s shadow
Mars
most likely to have life
magnetosphere
envelope of magnetic protection
bootes
the herdsman, shaped like human with two feet facing out, bright star arcturus
Draco
the dragon, head with snaking tail
Corona Borealis
the northern crown, shaped like a little curve, part of the crown
Hercules
the warrior, shaped like a half man
t/f the majority of planets in our solar system have moons
true
t/f New moon” is when we see a fully lit side of the moon.
false
Which of the following planets has the highest average surface temperature?
Venus
All of the following are distinctive properties of Earth (when compared to the other Terrestrial planets) except:
high composition density
The greenhouse effect dominates this planet.
Venus
Which of the following is not a way in which the Terrestrial and Jovian planets differ?
The Jovian planets have higher temperatures than Terrestrial planets do.
t/f Both moons of Mars are most likely captured objects.
true
What protects Earth from harmful radiation from the Sun?
our strong magnetic field
Which planet has an atmosphere of mostly nitrogen?
Earth
t/f
During a lunar eclipse, the Moon is located between Earth and the Sun.
false
t/f
A planet that spins very rapidly would probably be Terrestrial.
false
This planet has the hottest surface temperature.
Venus
What happened to water on Mars?
It is frozen in the soil.
What are the two types of planets?
Terrestrial and Jovian
t/f The atmosphere of Mars is composed primarily of nitrogen.
false
A moon that is full will appear at its highest point in the sky at what time of the night or day?
midnight
This planet closely resembles our moon.
Mercury
What happened to water on Venus?
It evaporated and was lost to space.
t/f A planet located 9 AU from the Sun would probably be Jovian.
true
How do the sizes of Earth, Venus, and Mars compare?
Earth is slightly larger than Venus and much larger than Mars.
Earth is between the Moon and the Sun.
full moon
A thin sliver of the Moon is visible.
crescent
Most, but not all, of the Moon’s face is illuminated
gibbous
The Moon is between Earth and the Sun.
new moon
This phase occurs halfway between full and new moon.
last quarter
When is Mercury most visible in the night sky?
at most, two hours before sunrise or after sunset
