6 Astronomy Chapter 3 Solar System

Venus has a strong greenhouse effect. True or False

In 1543, who published views of Earth and other planets revolving around the Sun?

Planet with dark storms and eight moons.

The Sun is thought to be formed ____.

Smallest planet.

The long ditch on Mars is likely from what?

Which term is when the meteor lands on Earth's surface?

What happens to a comet after it orbits the Sun a few times?

The third planet from the sun.

People in the early days believed that planets orbited around _____.

The fifth planet from the Sun is ____.

Which planet has white, red, tan, and brown striped clouds?

In the line of planets, Pluto is the _____.

The greenhouse effect on Venus is from_____.

What planet's moon is bigger than planets Mercury and Pluto?

A large collection of comets surrounding the solar system is the ______.

Vaporized gases and dust form what around the comet nucleus?

The closest planet to the Sun is _____.

Saturn can float in water because of its ______ density.

Solar wind develops the comet's _____.

Mars is an inner planet or an outer planet?

The greenhouse effect is on what planet besides Earth because of trapped heat?

The Sun was formed by

Heat from the sun develops a comet's _____.

Most of the frozen ice in a comet's nucleus does what?

Comets originate in the _____ cloud beyond Pluto's orbit.

_________ is known as a dirty snowball.

Largest planet

The outer planets ____________

Galileo discovered orbits of planets move around the Sun in an elliptical shape. True or False.

On Venus, the greenhouse effect warms it to

Which planet is red, barren, rocky, and windswept?

Planet with iron oxide and polar ice caps.

Pieces of rock that burn up in Earth's atmosphere and don't reach the ground are ______.

What planet has an axis of rotation is almost parallel to the plane of its orbits.

______ has most complex ring system.

Pluto is unique from other outer planets because it ______.