Astonomy

What is the closest planet to the Sun?

Mercury

How long does it take for Mercury to orbit the Sun?

88 days

What shape is Mercury's orbit around the Sun?

Elliptical

What is unique about Mercury's rotation in relation to its orbit?

Its day is about 2/3 of its year

Where has water ice been found on Mercury?

At the poles, in permanently shadowed craters

What is the primary reason Venus appears so bright in the sky?

It is covered in thick clouds that reflect sunlight.

What event occurs when Venus passes directly across the Sun's face?

A transit

How long does one day on Venus last compared to Earth days?

About 243 Earth days

What is unique about the atmospheric pressure on Venus?

it is 90 times that of Earth

What is believed to be a possible reason for Venus having such extreme

temperatures?

greenhouse gas effects in its thick atmosphere.

What is the Earth classified as among the planets?

A terrestrial planet

Which layer of the Earth is solid and made mostly of iron and nickel?

Inner core

What is the primary reason Earth can support life?

The presence of liquid water

What role does the Earth's magnetic field play?

It protects the planet from solar wind and cosmic radiation.

What is the greenhouse effect's impact on Earth's temperature?

t warms the Earth

What is Mars commonly known as due to its appearance?

The Red Planet

How far is Mars from the Sun on average?

About 200 million kilometers

What is the main reason Mars appears red?

Its iron oxide (rust) surface.

What is the largest volcano in the solar system located on Mars?

Olympus Mons

What happens to Mars' polar ice caps during the summer?

They lose dry ice and generate fierce winds

What is the primary composition of Jupiter's atmosphere?

Hydrogen and helium gases.

How many times wider is Jupiter compared to Earth?

11 times

What is the Great Red Spot on Jupiter?

A massive storm

How long is a day on Jupiter?

10 hours

Why is Jupiter sometimes referred to as a "failed star"?

It does not have enough mass for nuclear fusion

What is the primary component of Saturn's atmosphere?

Hydrogen

How long does it take for Saturn to complete one rotation?

10.5 hours

What is the average thickness of Saturn's rings?

10 meters

Which moon of Saturn is known for having a thick atmosphere and lakes of methane?

Titan

What phenomenon in the Cassini Division is caused by one of Saturn's moons?

Gravity tugging

What year was Uranus discovered?

1781

Which planet is known for having the fastest winds in the solar system?

Neptune

What is the primary component of Uranus's atmosphere that gives it a greenish color?

Methane

Who discovered Neptune?

Urbain Le Verrier

How many moons does Uranus have?

More than 20