CC 9-15: The Inner Planets

Front

What is the most massive object in the solar system?

Back

The Sun is the most massive object in the solar system, containing about 99.86% of the total mass.

Front

What can strong currents of electricity in the Earth's crust cause?

Back

Strong currents of electricity in the Earth's crust can cause power grid overloads.

Front

What was the name of the Mars-sized planet that collided with Earth to form the Moon?

Back

Theia was the Mars-sized planet that collided with Earth, leading to the formation of the Moon.

Front

What phenomenon is caused by particles funneling into Earth's atmosphere near the poles?

Back

Auroras are caused by charged particles from the solar wind interacting with Earth's magnetic field and atmosphere.

Front

What is one of the main sources of heat in the Earth's core?

Back

Heat from the Earth's formation is one of the main sources of heat in the Earth's core.

Front

What are the four inner planets of the solar system?

Back

The four inner planets are Mercury, Venus, Earth, and Mars.

Front

What is the primary component of Mercury's atmosphere?

Back

Mercury has a very thin atmosphere, primarily composed of oxygen, sodium, hydrogen, helium, and potassium.

Front

What is the surface temperature range of Venus?

Back

The surface temperature of Venus averages around 467 degrees Celsius (872 degrees Fahrenheit), making it the hottest planet.

Front

What is the significance of Olympus Mons on Mars?

Back

Olympus Mons is the tallest volcano and largest shield volcano in the solar system, standing about 22 kilometers (13.6 miles) high.

Front

What is the main reason for the extreme temperature fluctuations on Mercury?

Back

Mercury's lack of a significant atmosphere leads to extreme temperature fluctuations between day and night.