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241 Cards in this Set

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57.91 million km from the sun
Mercury
.3871 a.u. from the sun
Mercury
Diameter of 4,878 km
Mercury
38% of the diameter of Earth
Mercury
.0553 times Earth's mass
Mercury
28% of Earth's gravity
Mercury
escape velocity of 4.3 km/sec
Mercury
58.65 Earth days for one rotation
Mercury
About 2 degrees of axial tilt
Mercury
innermost planet
Mercury
Named after the Greek god Hermes
Mercury
2nd smallest planet
Mercury
Virtually no atmosphere
Mercury
Almost always visible during twilight.
Mercury
88 Earth days to revolve around the sun
Mercury
Surface varies from 400 degrees C to -170 degrees C
Mercury
No satellites
Mercury
As a morning and evening star, it has a magnitude of about 0
Mercury
The next transit of this planet will occur in November of 2006 and November of 2016.
Mercury
108.2 million km from the sun
Venus
.7233 a.u. from the sun
Venus
12,102 km diameter

.949 Earth diameter
Venus
88% of Earth's gravitational pull
Venus
10.4 km/sec escape velocity
Venus
5.25 density
Venus
Rotates in about 243 Earth days
Venus
Tilted on its axis at about 177 degrees
Venus
length of time a body takes to complete an orbit relative to the fixed stars.
sidereal period
alignment of two celestial bodies as seen from the earth.
conjunction
the angular distance between two points in the sky as measured from a third point.
elongation
length of time during which a body in the solar system makes one orbit of the sun relative to the earth
synodic period
brightest planet
Venus
third brightest object in the sky
Venus
Named after the goddess of love, Aphrodite
Venus
Associated with the element copper
Venus
Its craters might be named after famous women
Venus
Atmospheric pressure is 90 times that of Earth
Venus
Surface temperature of about 500 degrees C
Venus
Atmosphere mostly carbon dioxide
Venus
Clouds made mostly of sulfuric acid
Venus
US Magellan mapped its surface in 1990
Venus
Volcano Maat Mons
Venus
Retrograde rotation
Venus, Pluto, and Uranus
Slowest rotation of all planets
Venus
No satellites
Venus
length of time during which a body in the solar system makes one orbit of the sun relative to the earth
synodic period
brightest planet
Venus
third brightest object in the sky
Venus
Named after the goddess of love, Aphrodite
Venus
Associated with the element copper
Venus
Its craters might be named after famous women
Venus
Atmospheric pressure is 90 times that of Earth
Venus
Surface temperature of about 500 degrees C
Venus
Atmosphere mostly carbon dioxide
Venus
Clouds made mostly of sulfuric acid
Venus
US Magellan mapped its surface in 1990
Venus
Volcano Maat Mons
Venus
Retrograde rotation
Venus, Pluto, and Uranus
Slowest rotation of all planets
Venus
No satellites
Venus
3rd brightest object in the sky
Venus
Magnitude of -4
Venus
Planet that can sometimes be seen during the day.
Venus
20 month synodic period
Venus
When planets cross in front of the disk of the sun
Transit
Next transit is in June of 2012
Venus
5.978 x 10 to the 24th power kg
Earth
149,597,870 km from the sun
Earth
Density of 5.52
Earth
1 a.u. from the sun
Earth
gravity of 9.8 meters per second squared
Earth
Escape velocity of 11.2 meters per second
Earth
24 hour rotation
Earth
Sidereal period of 365.25 days
Earth
23.5 degrees of tilt on its axis
Earth
Once thought to be the center of the universe
Earth
Formulated the geocentric theory
Ptolemy
System that had Earth in the center of the universe
Ptolemaic system or geocentric system
Formulated the heliocentric system
Copernicus
System that has the sun at the center of our solar system
heliocentric system
This planet's name comes from old English and not from the names of Greco-Roman mythology
Earth
Planets that are small and rocky with a thin atmosphere
Terrestrial planets
Atmosphere consists mostly of oxygen and nitrogen
Earth
Only planet that supports life
Earth
Has one satellite, the moon
Earth
227.94 km from the sun
Mars
1.5237 a.u. from the sun
Mars
6,786 km diameter
Mars
53% of Earth's diameter
11% of Earth's mass
38% of Earth's gravity
Mars
Escape velocity of 5.0 km/sec
Mars
24.6 Earth hours for one rotation
Mars
A planet spinning on its axis
Rotation
A planet moving around the sun
Revolution
Sidereal period of 686.98 days
Mars
Synodic Period of 779.94 days
Mars
Its reddish gleam reminded the ancients of blood
Mars
Named after the Roman God of war
Mars
Only planet to have a star named for it (Antares)
Mars
Italian astronomer Giovanni Virginio Schiaparelli thought he saw canals on this planet
Mars
Visited by two Viking spacecraft in the 1970's
Mars
Its largest valley is Valles Marinaris
Mars
Has the largest known volcano in the solar system
Mars
The largest known volcano in the solar system
Olympus Mons
Has an atmosphere .7% that of Earth's
Mars
Atmosphere of carbon dioxide, nitrogen, and argon
Mars
An axial tilt about the same as Earth
Mars
Discovered Mars' moons
Asaph Hall
Mars' moons
Phobos and Deimos
Moon that is 9380 km from Mars
Phobos
Moon that is 23,460 km from Mars
Deimos
Perihelion
closest point to the sun
Mars' moon with 1.263 Earth day revolution
Deimos
Earth is between the planet and the sun
Opposition
When the sun is in between Earth and another planet
Conjunction
Name given to planets outside of Earth's orbit
Superior
Name given to planets inside of Earth's orbit
Inferior
778.33 million km from the sun
Jupiter
5.2028 a.u. from the sun
Jupiter
123,984 km diameter
Jupiter
11.23 Earth diameters
Jupiter
318 times Earth's mass
Jupiter
density of 1.33
Jupiter
2.4 times Earth's gravity
Jupiter
Escape velocity of 59.6 km/s
Jupiter
3.12 degree of axial tilt
Jupiter
Sidereal period of 11.8623 Earth days
Jupiter
Synodic period of 398.99 Earth days
Jupiter
Named after the Roman king of the gods
Jupiter
Named after the Greek king of the gods, Zeus
Jupiter
Largest planet
Jupiter
Fastest rotating planet (about ten hours to rotate once)
Jupiter
Rotation time of 9.841 Earth hours
Jupiter
This planet has an atmosphere of mostly hydrogen and helium
Jupiter
The Great Red Spot is located on this planet
Jupiter
This is a storm that has been raging on Jupiter for the last 300 years.
The Great Red Spot
Has a ring, though it is too faint to see from Earth
Jupiter
Known as a mini solar system
Jupiter
Has 16 known satellites
Jupiter
Metis, Adrastea, Amalthea, and Thebe are its four inner satellites
Jupiter
Io, Europa, Ganymede, and Callisto are known as this.
(4 of Jupiter's moons)
Galilean Satellites
The most volcanically active object in our solar system.
Io (Jupiter's Moon)
Io's volcanoes consist mostly of molten ___________.
sulfur
Jupiter's moon that has a smooth surface, probably of water ice.
Europa
The largest planetary satellite in the solar system
Ganymede (Jupiter's moon)
The most cratered surface in the solar system
Callisto
Leda, Himalia, Lysithea, and Elara
Jupiter's Moons
Ananke, Carme, Pasiphae, Sinope
Jupiter's outermost moons
This planet has about a 13 month synodic period.
Jupiter
At opposition, it is the 4th brightest star in our night sky
Jupiter
1.4 billion km from the sun
Saturn
9.5 a.u. from the sun
Saturn
120,536 km in diameter
Saturn
95.181 times Earth's mass
Saturn
9.41 Earth diameters
Saturn
density of .69
Saturn
.923 times Earth's gravity
Saturn
Io's volcanoes consist mostly of molten ___________.
sulfur
Jupiter's moon that has a smooth surface, probably of water ice.
Europa
The largest planetary satellite in the solar system
Ganymede (Jupiter's moon)
The most cratered surface in the solar system
Callisto
Leda, Himalia, Lysithea, and Elara
Jupiter's Moons
Ananke, Carme, Pasiphae, Sinope
Jupiter's outermost moons
This planet has about a 13 month synodic period.
Jupiter
At opposition, it is the 4th brightest star in our night sky
Jupiter
1.4 billion km from the sun
Saturn
9.5 a.u. from the sun
Saturn
120,536 km in diameter
Saturn
95.181 times Earth's mass
Saturn
9.41 Earth diameters
Saturn
density of .69
Saturn
.923 times Earth's gravity
Saturn
Escape velocity of 35.5 km/sec
Saturn
Axial tilt of 26.73 degrees
Saturn
Sidereal period of 29.458 years
Saturn
Synodic period of 378.09 days
Saturn
Thought to be the mark of the outer boundary of the solar system until 1781
Saturn
Named after the god of agriculture and time
Saturn
Second largest planet
Saturn
Planet that would float in water because of its very low density (.69)
Saturn
2nd fastest rotator of the planets
Saturn
Since the chemical reactions in its hydrogen-helium atmosphere is weaker, it has a duller color than Jupiter
Saturn
The dark area between Saturn's two main rings
Cassini's division
Its rings are probably less than 100 km thick
Saturn
Planet that has at least 18 satellites
Saturn
Its largest moon is Titan
Saturn
With its cloud cover, it is the largest moon in the solar system
Titan
Io's volcanoes consist mostly of molten ___________.
sulfur
Jupiter's moon that has a smooth surface, probably of water ice.
Europa
The largest planetary satellite in the solar system
Ganymede (Jupiter's moon)
The most cratered surface in the solar system
Callisto
Leda, Himalia, Lysithea, and Elara
Jupiter's Moons
Ananke, Carme, Pasiphae, Sinope
Jupiter's outermost moons
This planet has about a 13 month synodic period.
Jupiter
At opposition, it is the 4th brightest star in our night sky
Jupiter
1.4 billion km from the sun
Saturn
9.5 a.u. from the sun
Saturn
120,536 km in diameter
Saturn
95.181 times Earth's mass
Saturn
9.41 Earth diameters
Saturn
density of .69
Saturn
.923 times Earth's gravity
Saturn
Every 15-17 years, Earth passes through the ring plane of this planet, making them difficult to see
Saturn
Saturn's moons that are able to be seen with moderate sized instruments
Titan and Rhea
2.9 billion km from the sun
Uranus
19.19 a.u. from the sun
Uranus
51,118 km diameter
Uranus
14.5 times Earth's mass
Uranus
Density of 1.29
Uranus
79% of Earth's gravity
Uranus
Escape velocity of 21.3 km/sec
Uranus
Rotation period of 17.9 hours
Uranus
Axial tilt of 97.86 degrees
Uranus
Sidereal period of 84.01 Earth years
Uranus
Synodic period of 369.66 Earth days
Uranus
First planet discovered in modern times
Uranus
Planet found by William Hershel in 1781
Uranus
Named after the Greek sky god
Uranus
its axis nearly lies in the plane of its orbit
Uranus
15 known satellites
Uranus
Oberon, Umbriel, Titania, Ariel, and Marinda are moons of this planet
Uranus
Until 2015, it will be in the constellations Pisces, Aquarius, and Cetus
Uranus
4.5 billion km from the sun
Neptune
Diameter of 49,528 km
Neptune
3.81 times Earth's diameter
Neptune
17.135 times Earth's mass
Neptune
Density of 1.64
Neptune
1.122 times Earth's gravity
Neptune
Escape velocity of 23.3 km/sec
Neptune
Rotation period of 19.2 hours
Neptune
Sidereal period of 164.79 Earth years
Neptune
Axial tilt of 29.6 degrees
Neptune
Discovered in 1846
Neptune
Named after the Roman god of the deep sea
Neptune
Named after the Greek god Poseidon
Neptune
Outermost gas giant
Neptune
Only Venus has a more circular shaped orbit than this planet
Neptune
Has eight known satellites
Neptune
Triton is this planet's largest satellite
Neptune
Nereid is this planet's outermost satellite
Neptune
Through 2015, this planet will be in the constellation Copernicus
Neptune