Nebular Theory
Flashcard
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the Nebular Theory?
Back
The Nebular Theory is a model that explains the formation of the solar system from a rotating cloud of gas and dust, known as a nebula.
2.
FLASHCARD QUESTION
Front
What is a nebula?
Back
A nebula is a giant cloud of gas and dust in space, which can be the birthplace of stars and planets.
3.
FLASHCARD QUESTION
Front
What is an astronomical unit (AU)?
Back
An astronomical unit is the average distance between the Earth and the Sun, approximately 93 million miles or 150 million kilometers.
4.
FLASHCARD QUESTION
Front
What event caused the nebula to collapse and form the solar system?
Back
The collapse of the nebula was triggered by the explosion of a nearby star, known as a supernova.
5.
FLASHCARD QUESTION
Front
What is Kepler's 1st Law?
Back
Kepler's 1st Law states that planets move in elliptical orbits around the Sun, with the Sun at one of the foci.
6.
FLASHCARD QUESTION
Front
What is the nebular hypothesis?
Back
The nebular hypothesis is the prediction that the solar system formed from a rotating disk of gas and dust.
7.
FLASHCARD QUESTION
Front
What role do gravity and pressure play in the formation of the solar system?
Back
Gravity pulls the gas and dust together, while pressure from the collapsing material leads to the formation of stars and planets.
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