MERCURY, Venus, Mars, Jupiter, Saturn, URANUS, Neptune, pluto, Eris
The name given to Venus when it is visible just after the sun sets in the sky
Evening Star
CALORIS BASIN
Large impact feature on Mercury (1300 KM in diameter)
Sun rises in _____________ and sets in _________________.
West; east
Mars
What planet has the closest axial tilt measurement to Earth?
surface temp of jupiter
-260 degrees f
jupiters density
1.326 g/cm^2
How many earth days equal a day on Venus?
243 Earth days
Jupiter rational period and uniqueness
389.9 days and moves backwards
rotational period difference
5 minutes longer
How far is Venus from the sun?
67 million miles
how many moons are orbiting jupiter
69
How hot is Venus?
870 degrees F
chemical composition of jupiter
90% hydrogen 10% helium
How big is Venus?
About the size of Earth
Why does Venus go through phases?
Because of the way it orbits around the sun
Since we can't see through the thick clouds covering Venus, how do we know what the planet's surface looks like?
Because radars can get through the clouds.
Why isn't there ash on Venus?
Because there is nothing living on Venus
name used to describe dark bands encircling jupiter
Belts
True
Both of Mars moons are tidally locked? True of False
MERCURY
Closest planet to the sun and the smallest of the four rocky planets (3030 miles in diameter at its equator)
A curved shape, like that of the moon when it is less than half illuminated.
Crescent
What would it feel like on Venus?
Extremely hot
Venus revolves _______________.
Fast
Where does Venus get its name?
From the Roman's goddess of love and beauty
spacecraft purposely destroyed in 2003 to not hit europa
Galileo
largest moon in solar system
Ganymede
which moon has its own magnetosphere
Ganymede
Venus has a ____________ atmosphere.
Heavy
Venus is the ________________ planet in the solar system.
Hottest
dark, potato shaped, and heavily cratered
How could Mars' moons be described?
ZERO
How many moons and rings does Mercury have?
GALILEO
In 1610, _________________ was the first person to observe Mercury with a telescope.
What is the atmosphere like on Venus?
It has clouds that are poisonous and it is thick
Why did astronomers think Venus was Earth's twin?
It is about the same size and they are close
What is special about the rotation of Venus?
It rotates backwards...the opposite of most planets.
Molten or melted rock that flows from a volcano
Lava
Volcanoes spew ______________.
Lava
what is at the center of jupiter
Liquid nitrogen
which galilean moons is the most dense and geologically active
Lo
88 EARTH DAYS 58 EARTH DAYS
Mercury completes one orbit around the sun in ________________ and rotates on its axis every ________________.
SOLAR DAY
Mercury has a ____________ (noon to noon) of 176 Earth days.
THIN ATMOSPHERE
Mercury has a ______________ consisting of atoms blasted off it surface by solar wind.
ROMAN GOD
Mercury is named after the _____________ of commerce, travel, wrestling and thieving.
DAY
Mercury's __________ is longer than its year.
SURFACE
Mercury's _______________ is heavily cratered caused by asteroids and comets plus Mercury was once volcanically active
A name given to Venus when it is visible in the early morning just before the sun rises
Morning Star
Venus _____________ the sun faster than it rotates.
Orbits
The different shapes Venus appears to take as it orbits the sun
Phases
A device that sends out signals that bounce off the surface of an object ad return to the device, revealing information about that object
Radar
WEIRD TERRAIN
Region on surface of Mercury of oddly rippled features. It is the result of a strong impact which occurred on other side of planet and sent seismic waves traveling around the planet.
Which place is Venus from the sun?
Second
Venus rotates ________________.
Slowly
The toxic chemical in the heat-trapping clouds that cover Venus
Sulfuric Acid
False
The Grand Canyon is larger than the Valles Marineris? True or False
True
The Valles Marineris is surrounded by craters?
False
The Valles Marineris was formed by flowing water. True or False
MARINER 10
The _____________ Probe is the first of two probes that have visited Mercury.
354 F
The average surface temperature of Mercury.
thick crust and lower gravity
What 2 factors allow for Mars to have such large volcanoes?
non-molten core with little iron content
What 2 factors are believed to be the reasons Mars has such a weak magnetic field?
smaller, farther away, and less reflective
What 3 factors cause Mars to appear less bright than Venus?
water, sulfur, and chlorine
What 3 substances were discovered in the Martian soil by the Curiosity rover?
iron oxide in the surface
What causes Mars to appear red?
BLACK
What color is the sky on Mercury?
differing composition from terrestrial planets
What evidence about Mars' moons causes astronomers to believe they did not form at the same time as Mars?
fluidized ejecta craters
What evidence on the Martian surface shows there may be permafrost below the soil layer?
more craters
What factor is evidence for the Martian southern hemisphere being older than the northern hemisphere?
density
What factor of Mars is most unlike the other inner, rocky planets?
more elliptical orbit
What factor on Mars is the cause of its more extreme seasons?
23.5 degrees
What is the axial tilt measurement of Earth?
24 degrees
What is the axial tilt measurement of Mars?
Hellas Basin
What is the deepest point on Mars?
Valles Marineris
What is the largest rift valley on Mars?
Olympus Mons
What is the largest volcano on Mars?
Carbon dioxide
What is the main component in the atmosphere of Mars?
carbon dioxide
What is the main component of the Martian atmosphere?
carbon dioxide
What is the main component of the Venutian atmosphere?
distance from the Sun
What is the main factor attributed to differing development of Mars and Earth?
varying levels of its troposphere
What is the most unusual aspect of Mars atmosphere compared to other planets?
6 months hot and 6 months cold
What is the weather forecast for Mercury?
frozen in polar caps
What is thought have happened to the water vapor in Mars atmosphere?
massive amounts of water (flooding)
What is thought to have caused the outflow channels on Mars?
lack of carbonate rock layers
What piece of evidence demonstrates there may not have been oceans on Mars?
August 28, 2003
When was the last time Mars was at its closest to Earth?
frozen in polar caps
Where is most of the carbon dioxide found on Mars?
in the atmosphere
Where is most of the carbon dioxide found on Venus?
Phobos
Which of Mars moons is the larger one?
Earth
Which terrestrial planet has the strongest magnetic field?
Venus
Which terrestrial planet has the weakest magnetic field?
what would happen for jupiter to become a star
Would have to become massive enough to ignite
Have many spacecraft visited Venus?
Yes, 26
chemical composition of jupiter white zones
ammonia ice
galilean moon with oldest heavily cratered surface
callisto
material rings are made of
dust kicked up in planetary meteoroids smash into giant planets small innermost moons
first spacecraft to drop weather probe into atmosphere
galileo
galilean moons largest to smallest
ganymede, callisto, lo , europa
what causes jupiter's to form an oblate spheroid
its rapid spin makes jupiters bulge at the equator and flatten at poles
recent spacecraft to visit jupiter
juno
what causes Io's pizza pie colors
sulfur compound in volcanic ejecta
jupiter rotation similar to earth
undergoes differential rotation
