Lesson 4: Jovian Planets Flashcards
The four Jovian planets (in order of increasing distance from the Sun) are:
Jupiter, Saturn, Uranus, Neptune
On which planet are the fastest wind speeds found?
Neptune
What is the Great Red Spot?
Huge storm on Jupiter
What is large, rocky debris in space called?
Asteroids
Bode’s Law led people to search for what in between Mars and Jupiter?
A small planet
Fill in the blank. Gaps in the Asteroid Belt caused by the large gravitational pull of Jupiter are called ______ Gaps.
Kirkwood
Fill in the blanks. When a _____ (rock no larger than a few hundred meters in diameter) enters the Earth’s atmosphere, the flash is called a _____; if it survives and strikes Earth, it is called a ________.
Meteoroid, Meteor, Meteorite
Fill in the blank. If a chunk of rock in space was 156 meters in diameter, it would be a(n) _________.
Meteoroid
Fill in the blank. Because new comets are being discovered every year, it is logical to believe there is a large group of comets father away from the Sun. This is called the ______ cloud.
Oart/Oort
Which direction does the ion tail of a comet always point?
Away from the Sun
Fill in the blank. When a comet approaches the Sun, the icy core will start to vaporize. As the comet continues in it’s orbit, the vapor spreads out around the nucleus, this forming the ______.
Coma
True or False: Because of the way in which it orbits the Sun, the temperature of Uranus is very different at it’s South Pole than at it’s North Pole.
True
Which planets have rings?
Saturn, Jupiter, Uranus and Neptune
True or False: The Apollo asteroids never cross Earth’s orbit.
False
Which planet has the most moons?
Jupiter
The four largest moons of Jupiter are sometimes called what?
Galilean Satellites
True or False: Copernicus discovered four moons around Jupiter.
False
Where in the solar system does the asteroid belt lie?
Between the orbits of Mars and Jupiter
True or False: Jupiter has more known moons than any other planet in the solar system.
True
Which moon has a thick atmosphere of nitrogen?
Titan
True or False: a comet collided with Uranus in 1994.
False
Which planet has the Great Red Spot?
Jupiter
TRUE OR FALSE: JUPITER ROTATES MUCH FASTER THAN EARTH DOES.
False
True or False: Jovian planets are larger than Terrestrial planets.
True
True or False: Jovian planets are made up mostly of hydrogen and helium.
True
What is the name of Jupiter’s four largest moons?
The Galilean Satellites
