STEMSCOPEDIA - Celestial Bodies

What did the geocentric model propose?

• The Sun orbits Earth

• Earth orbits the Sun

• The Moon is at the center of the universe

• Planets orbit the Earth in elliptical paths

Who is credited with demonstrating the truth of the heliocentric model?

• Isaac Newton

• Galileo Galilei

• Albert Einstein

• Johannes Kepler

The Sun is primarily composed of:

• Solid rock

• Ice and dust

• Gas and plasma

• Liquid water

What characteristic distinguishes a planet from a dwarf planet according to the IAU?

• Being spherical in shape

• Having moons

• Orbiting the Sun

• Clearing its orbit of smaller objects

Which of the following is not a terrestrial planet?

• Mercury

• Saturn

• Venus

• Mars

What is the primary difference in composition between inner and outer planets?

• Inner planets are mostly gaseous, and outer planets are mostly solid

• Inner planets are smaller than outer planets

• Inner planets are mostly solid, and outer planets are mostly gaseous

• Outer planets have no solid surface

Which planet has a day that lasts nearly as long as its year?

• Mercury

• Venus

• Mars

• Jupiter

What is the temperature range on Mercury?

• From 45 to 100 degrees Celsius

• From -180 to 430 degrees Celsius

• From -145 to 465 degrees Celsius

• From 0 to 35,700 degrees Celsius

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What are asteroids mainly composed of?

What do we call a meteoroid that enters Earth's atmosphere?

• Meteor

• Asteroid

• Comet

• Meteorite