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The Solar System The “Final Frontier”

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Page 1: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

The Solar System

The “Final Frontier”

Page 2: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

The Night Sky When you look up into the sky at night, you see

the moon, but there are also other things that are seen…what do you think these things are? Planets and stars!

The moon, stars, and planets seem to move across the sky at night, but what is actually happening? As our planet rotates on its axis and revolves around the

sun, it appears that objects in space are moving across the sky. Actually, the Earth is rotating on its axis making it APPEAR that they move across the sky.

Page 3: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

Out of this World Vocabulary Planet - A celestial body larger than an

asteroid or comet that reflects light from a star and revolves around that star

Star - A celestial body that creates heat and light energy

Meteor – A bright trail or streak that appears in the sky when a meteoroid is heated to glowing by friction with the earth's atmosphere. Also called falling star, meteor burst, shooting star.

Page 4: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

Out of this World Vocabulary Continued… Comet –A celestial body, observed only in

that part of its orbit that is relatively close to the sun. Comets are thought to consist chiefly of ammonia, methane, carbon dioxide, and water.

Asteroid - An asteroid is a bit of rock.

Page 5: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

Out of this World Vocabulary Continued… Solar System - The sun together with

the nine planets and all other celestial bodies that orbit the sun

Galaxy –Any of numerous collections of stars, gas, and dust that make up the visible universe

Page 6: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

Our Place in Space The planet that we live on is Earth.

The Earth, 8 planets, sun, moons, one dwarf planet, asteroids, and comets make up our solar system.

Our solar system is in a spiral galaxy called the Milky Way.

The spiral galaxy named the Milky Way has five arms. The arm where our solar system is located is called the Orion Arm.

Page 7: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

Let’s see a picture of our galaxy!

This picture was taken from the following site:

http://www.windows.ucar.edu/tour/link=/the_universe/Milkyway.html

Page 8: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

Our Solar System As we have learned, our solar system is made up

of the sun, 8 planets, 1 dwarf planet, moons, comets, and asteroids

The sun, 8 planets, 1 dwarf planet, moons, comets, and asteroids all rotate and revolve at different rates of speed

Let’s observe the planets of our solar system a little more closely!

Page 9: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

The Sun

Solar System means “STAR system.” Our solar system only has ONE star.

As we know, the sun is a STAR!

Page 10: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

Inner Planets of our Solar System Mercury

Venus

Page 11: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

Inner Planets of our Solar System Continued... Earth

Mars

Page 12: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

The Asteroid Belt An asteroid is a bit of rock. It can be thought of as

what was "left over" after the Sun and all the planets were formed. Most of the asteroids in our solar system can be found orbiting the Sun between the orbits of Mars and Jupiter. This area is sometimes called the "asteroid belt".

Think about it this way: the asteroid belt is a big highway in a circle around the Sun. Think about the asteroids as cars on the highway. Sometimes, the asteroid cars run into one another. When this happens, the asteroids may break up into smaller asteroids. Scientists think that most asteroids are the result of collisions between larger rocky space bodies.

Page 13: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

The Asteroid Belt Asteroids can be a few feet to several

hundred miles wide. The belt probably contains at least 40,000 asteroids that are more than 0.5 miles across.

If an asteroid is captured by the gravitational pull of a planet, the asteroid can be pulled out of the belt and go into orbit as a moon around the planet that pulled on it.

Page 14: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

The Asteroid Belt

Page 15: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

Outer Planets of our Solar System Continued... Jupiter

Saturn

Page 16: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

Outer Planets of our Solar System Continued...

Uranus

Neptune

Page 17: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

Outer Planets of our Solar System Continued…

Pluto (dwarf planet)

Page 18: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

CometsComets are dark, solid bodies a few kilometers across that orbit the Sun in eccentric paths. Comets can be described as "dirty snowballs" containing a mixture of dust and frozen gases. Some of the icy material evaporates as the comet nears the Sun, creating an envelope of gas and dust that enshrouds the solid body.

Page 19: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

How big are the planets in relation to the sun? What is the biggest/smallest planet?

Page 20: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

Remember, ALL 9 planets REVOLVE around the Sun!!! (Notice the orbits)

Page 21: The Solar System The “Final Frontier”. The Night Sky When you look up into the sky at night, you see the moon, but there are also other things that

Memorize the Planets in their correct order starting with the sun!!! A memory strategy:

My Very Excellent Mother Just Served Us Nine Pizzas

(Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto)

Let’s watch a video to learn more about our solar system!


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