Out of this WorldOut of this World

SpaceSpace13.1 Intro to Space13.1 Intro to Space

What is Space like?What is Space like?

Space is cold, dark, and very empty. Space is cold, dark, and very empty.

Scattered here and there throughout the Scattered here and there throughout the emptiness are stars, planets, moons, emptiness are stars, planets, moons, asteroids, comets, meteoroids, and dust. asteroids, comets, meteoroids, and dust.

People have spent years looking up at the sky People have spent years looking up at the sky and studying the things in space. First they and studying the things in space. First they looked with their eyes, then with looked with their eyes, then with telescopes. telescopes.

Today people can travel to space aboard Today people can travel to space aboard space shuttles, and spacecraft to other space shuttles, and spacecraft to other planets and moons.planets and moons.

What do you know about What do you know about Space?Space?

What do you see when you look up at What do you see when you look up at the night sky?the night sky?

Do you listen to news reports about Do you listen to news reports about space missions?space missions?

Have you ever visited a planetarium?Have you ever visited a planetarium?

Make a list of the things you know Make a list of the things you know about space, the planets, the Moon, about space, the planets, the Moon, and the Sun.and the Sun.

What do you want to know?What do you want to know?

What other planets are made of?What other planets are made of?

How hot is the Sun?How hot is the Sun?

How do astronauts live in space?How do astronauts live in space?

Make a list of questions you have Make a list of questions you have about space.about space.

How will you find out?How will you find out?

You are going to build models and do You are going to build models and do hands-on explorations that will help hands-on explorations that will help you discover answers to many of you discover answers to many of your questions.your questions.

SafetySafety

Never look directly at Never look directly at the Sun. You can the Sun. You can permanently permanently damage your eyes.damage your eyes.

Scientist Galileo Scientist Galileo Galilei went blind Galilei went blind after observing the after observing the Sun with his Sun with his telescope.telescope.

Sunspot Loops in UltravioletSunspot Loops in Ultraviolet

The UniverseThe Universe

The The UniverseUniverse is everything that exists, is everything that exists, including all matter and energy including all matter and energy everywhere. everywhere.

By studying stars, planets, and other By studying stars, planets, and other objects in the sky, you will learn objects in the sky, you will learn where Earth is located in the where Earth is located in the universe.universe.

AstronomyAstronomy

AstronomyAstronomy is the study of what is is the study of what is beyond the Earth. It is the oldest beyond the Earth. It is the oldest science.science.

As early as 2000 BC, Babylonians As early as 2000 BC, Babylonians were using the were using the sundialsundial, the oldest , the oldest known instrument for telling time. known instrument for telling time. The shadow of the sundial correlates The shadow of the sundial correlates with the with the Sun’s position in the skySun’s position in the sky and and hence with the hence with the time of daytime of day..

13.1 Intro to Space13.1 Intro to Space

13.1d Planetary Motion13.1d Planetary Motion