4/24/24 Exploring Orbits in Space

What does the Earth orbit around?

• Jupiter

• The Sun

• Mars

• The Moon

Answer explanation

The Earth orbits around The Sun, not Jupiter, Mars, or The Moon.

Why does the Earth not get sucked into the Sun?

• Because it's too far away

• Because it's too large

• Because it's moving fast enough

• Because it's stationary

Answer explanation

Because it's moving fast enough

What is at the center of the Milky Way Galaxy?

• A black hole

• A comet

• A planet

• A supergiant star

Answer explanation

A black hole is at the center of the Milky Way Galaxy.

What type of path does the Earth travel in around the Sun?

• Nearly circular path but not a perfect circle

• ZigZag

• Straight

Answer explanation

The Earth travels in a nearly circular path around the Sun, not elliptical, spiral, or straight.

What is a galaxy?

• A comet

• A group of stars, gas, and dust bound together by gravity

• A single star

• A type of asteroid

Answer explanation

A galaxy is a group of stars, gas, and dust bound together by gravity, not a comet, single star, or type of asteroid.

What is unique about Pluto's orbit compared to the other eight main planets?

• It is perfectly circular

• It is the largest

• It is off-center and not on the same plane

• It is the closest to the Sun

Answer explanation

Pluto's orbit is off-center and not on the same plane compared to the other eight main planets, making it unique.

How often does the Earth complete its orbit around the Sun?

• Every 10 years

• Every 30 days

• Every 365 days

• Every 24 hours

Answer explanation

The Earth completes its orbit around the Sun every 365 days, which is equivalent to one year.

What causes Pluto to sometimes be closer to the Sun than Neptune?

• Pluto's size

• The Sun's gravitational pull

• Neptune's gravitational pull

• Neptune's size

Answer explanation

Neptune's gravitational pull affects Pluto's orbit, causing it to sometimes be closer to the Sun than Neptune.

What is a black hole?

• A dark star

• A collapsing galaxy

• A type of comet

• An object with intense gravitational pull

Answer explanation

A black hole is an object with intense gravitational pull, not a dark star, collapsing galaxy, or type of comet.

Why is the black hole at the center of our galaxy a good thing for Earth?

• It holds the galaxy together

• It provides heat

• It prevents asteroids from hitting Earth

• It provides light

Answer explanation

It holds the galaxy together