saturn
jup 67
earth 67676767676767
mars
venus
100

What position is Saturn from the Sun?

Sixth planet

100

How many major moons does Jupiter have?

Galilean” moons: Io, Europa, Ganymede, Callisto.

100

What is the name of the layer of air surrounding Earth?

The atmosphere.

100

 Could life exist on Mars?

There is no confirmed evidence of life, but Mars had liquid water, a thicker atmosphere,

100

Why does Venus appear so bright in the sky?

Its thick clouds reflect a large amount of sunlight, making it one of the brightest objects visible from Earth.

200

What is Saturn best known for?

Its ring system.

200

Does Jupiter have rings?

Yes—faint, dusty rings.

200

What causes Earth’s seasons?

The tilt of Earth’s axis as it orbits the Sun.

200

Why is Mars important for science?

  • How rocky planets form

  • How climates evolve

  • Whether life can arise elsewhere

  • How humans might live on another world

200

How long is a Venusian day?

A day on Venus (one rotation) is about 243 Earth days, longer than its year

300

Is Saturn a gas giant or a rocky planet?

Gas giant.

300

How long is a day on Jupiter?

About 10 hours.

300

What do we call the solid outer layer of Earth?

The crust. abe has greasy hair

300

What are Mars’ moons?

  • Phobos — larger, orbits very close, slowly spiraling inward

  • Deimos — smaller, more distant
    Both are irregularly shaped and likely captured asteroids.

300

Does Venus have moons?

No—Venus has no natural satellites

400

What is Saturn mostly made of?

Hydrogen and helium.

400

What is Jupiter’s largest moon?

Ganymede, the largest moon in the solar system.

400

What gas do plants release during photosynthesis?

Oxygen.

400

Is there water on Mars?

Yes — but mostly as ice.

400

Why does Venus rotate in the opposite direction of most planets?

Venus rotates retrograde, likely due to a massive early collision or long-term atmospheric–tidal interactions.

500

What is the approximate age of Saturn’s rings according to recent research?

Likely only 100–200 million years old (younger than the planet).

500

How does Jupiter’s gravity influence the asteroid belt?

It creates gaps (Kirkwood gaps) and stabilizes or destabilizes asteroid orbits.

500

What is the process by which rocks are broken down into smaller pieces?

Weathering.

500

 How big is Mars compared to Earth?

Mars is about half Earth’s diameter

500

What prevents water from existing on Venus today?

Early Venus likely lost its oceans due to photodissociation of water vapor and hydrogen escape to space, leaving a dry, CO₂-dominated atmosphere.