Chapter 8 : Formation of the solar system

Define planetesimal.

Approximately how long did the heavy bombardment stage last?

Which planet has an axis tilt of 177 degrees?

Jovian planets are more dense than terrestrial planets?

Define accretion.

All the planets in the solar system orbit the sun in the same direction.

What are the total amounts of terrestrial and jovian planets found in our solar system?

According to the Giant Impact theory, what object collided with the young Earth?

Which planet has the satellites Phobos and Deimos?

What is the least abundant material in the solar nebula?

What percentage of mass consist of elements other than hydrogen and helium in the solar system?

Which planets have rings?

Stars are born in a cloud of dust and gas known as...

What process occurs in a star that converts lighter elements to heavier elements?

Which is the most accepted explanation for the formation of our moon?

All the planets in the solar system rotate in the same direction.

What are the most abundant materials present in the solar nebula?

What are the results of solar winds impacting the Earth's atmosphere?

What percentage of the solar nebula's mass consist of rocky materials?

What are the hydrogen compounds?