outer space (gr. 3-5)

Sarah CunninghamInternet in Education

EME 6936

Outer Space

Stars

Stars are massive, luminous balls of plasma held together by gravity.

Protostar – What exists before a star is born

T Tauri Star – Stage in a star’s formation

Main Sequence Star – The majority of the stars in our

galaxy

Red Giant Star – Forms after a star consumes its stock of

hydrogen in its core

White Dwarf Star – When a star completely runs out of

hydrogen fule

Red Dwarf Star – Most common kind of star, has a cool

temperature

Neutron Star – Exotic star made completely up of neutrons

Supergiant Star – Largest stars in the Universe

Stars

Types of Stars

Red Giant

Stars

Did you know?

Stars are always in the sky. We just

can’t see them during

the day because the

sun is so bright!

The Sun

Home

Constellations

A constellation is a group of stars that appear to form a pattern in

the sky.Ursa Minor

Ursa MajorOrion

Three famous

Constellations are:

Ursa Minor

Also known as the Little Dipper, Ursa Minor contains a very famous star called Polaris*.

*The North Star

Ursa Major

The Ursa Major is commonly called the Big

Dipper. Its shape

resembles a bear.

Orion

Orion is known as The Hunter. It is the most recognizable

constellation in the sky.

Solar System

Formed about 4.6 billion years ago, our solar system

consists of the sun and all celestial objects that are bound to it by

gravity.

Solar System

What can we find in our solar

system? Planets Asteroid belt Dwarf Planets (moons) Dust and other particles

Planets

Listed in order from the Sun: Mercury

Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto

Galaxy

A Galaxy is massive! It is bound together by

gravity.

Stars Stellar Remnants Interstellar medium of gas

and dust

What is in a galaxy?

Galaxy

Our solar system is in the Milky Way Galaxy. Its

diameter is about 100,000 light years.

Universe

The Universe is everything that exists in

intergalactic space.

Hubble Ultra Deep Field