our solar system

Question 0

What are the four inner planets?

Answer 0

Mercury, Venus, Earth, and Mars.

Question 1

What characteristics must a planet have to be considered a planet?

Answer 1

The planet must only orbit the sun and have a nearly spherical shape. Also, the mass of a planet must be much larger than the total mass of all objects whose orbits are close by.

Question 2

What are the four outer planets?

Answer 2

Jupiter, Saturn, Uranus, and Neptune.

Question 3

What are the inner planets made of?

Answer 3

Rocky materials.

Question 4

What are the outer planets made of?

Answer 4

Ice and gases (hydrogen & helium)

Question 5

What’s an astroid?

Answer 5

Millions of small rocky objects that orbit the sun in the astroid belt between the orbits of Mars and Jupiter.

Question 6

What’s a comet?

Answer 6

Made of gas, dust, ice and moves around the sun in an oval shaped orbit.

Question 7

What’s in the astronomical unit?

Answer 7

The average distance from Earth to the sun about 150,000,000 km.

Question 8

What’s another name for the inner planets?

Answer 8

The terrestrial planets.

Question 9

What is mercury like?

Answer 9

It’s the smallest planet and is the closest to the sun. Mercury has no atmosphere because it’s too small so it can’t hold in the gases. Mercury has a lot of craters do to this.

Question 10

What’s the structure of all the inner planets?

Answer 10

They all have a core made of iron and nickel.

Question 11

What is Venus like?

Answer 11

Venus is the second planet from the sun. It is 97% carbon dioxide. Venus has a longer day than year. Venus rotates from east to west. It’s the hottest planet in our solar system. It has a strong greenhouse effect.

Question 12

What is the greenhouse effect?

Answer 12

When a planets atmosphere traps solar energy and causes the surface temperature to increase.

Question 13

What is earth like?

Answer 13

Earth is the third planet from the sun. Unlike Mercury and Venus has a moon. Earth is the only planet to support human life and has liquid water.

Question 14

What is mars like?

Answer 14

Mars is the fourth planet from the sun & is half the size of earth. Mars’ atmosphere is 95% carbon dioxide & is less dense then earth. mars has a reddish color caused by iron oxide in the soil. Olympus Mons is the largest volcano known and is located on mars.

Question 15

What is Jupiter like?

Answer 15

Jupiter is largest planet in the solar system. It has at least 63 moons. The first four were discovered by Galileo and they are called Galalian moons. These moons are called lo, europa, Ganymede, and Castillo. They are all made of rock and ice.

Question 16

How does Jupiter have rings?

Answer 16

Within its atmosphere, it has dense and colorful clouds. since Jupiter spins so fast, the clouds stretch into colorful swirling bands.

Question 17

What is Saturn like?

Answer 17

Saturn is the sixth planet from the sun. It has rings and they were formed like jupiter’s rings. Saturn has seven rings. It has 60 moons.

Question 18

What is Uranus like?

Answer 18

Uranus is the seventh planet from the sun it has a system of narrow dark rings and a diameter of about four times that of earth. It has at least 27 moons.

Question 19

Why does Uranus have a tilt?

Answer 19

Uranus is tilted so when it revolves around the sun, it moves like a rolling ball. This might have been caused by a collision with an earthsized object.

Question 20

What is Neptune like?

Answer 20

Neptune is the last planet from the sun and 13 moons.

Question 21

What is a dwarf planet?

Answer 21

A object that orbits a star.

Question 22

What are some dwarf planets?

Answer 22

Eris, Pluto, makemake, ceres.

Question 23

What is a comets structure?

Answer 23

The solid inner part is it’s nucleus (also called a coma). As a comet moves closer to the sun, it heats and can develop a bright tail. Heating changes the ice in the comet into a gas.

Question 24

what’s the difference between a meteor, meteorite, and meteoroid?

Answer 24

A meteoroid is a small, rocky particle that moves through space, the meteor is the small streak of light in the meteoroid, and a meteorite is a meteoroid that hits a planet or moon.