Chapter 29& 30 Flashcards
What planets is closer to the sun?
Mercury
Our solar system
Was formed from a nebula
Has planets that orbit the sun
Has eight planets- including four inner planets; including three outer planets
Has other objects including comets
What is the largest planet?
Jupiter
Which planets has been studied extensively for life?
Mars
What planets has the complex ring system?
Saturn
Our solar system about how many years ago?
4.6 billion years ago
Enormous cloud of gas, ice, dust… Called?
Nebula
Is our solar system heliocentric or geocentric?
Heliocentric with planets orbiting the sun in a counterclockwise
Planet with an extremely dense atmosphere?
Venus
Large canyon on mars?
Valles Marineris
Planet classification that orbits inside the asteroid belt?
Inner planet
Red planet
Mars
Planet classification that orbits outside the asteroid belt?
Outer planets
The order of the planets
Closest to farthest away
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
How does distance from the sun affect the speed of a planet?
Planets close to the sun it’s mass is closer to the center of the solar system which results in an increased orbit speed
Planets in outer orbits orbits mass is farther from the center of the solar system, slows down speed of orbit