Lesson 2 — 3.1 The night sky

Period 4 — Astronomy

3.1 The night sky

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Astronomy — The night skyMiddelbare schoolhavo, vwoLeerjaar 1

This lesson contains 51 slides, with text slides and 1 video.

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Period 4 — Astronomy

3.1 The night sky

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This lesson

Recap

3.1 The night sky

Working independently

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Learning goals

Name several objects that are found in space
Describe what a star, planet and moon are and how they relate
Describe the difference between a comet, meteor and meteorite
Explain what a satellite is

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Recap

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The earth from

6 Billion kilometers

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Some facts about our universe

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The earth distance from the sun is called the 'goldilocks zone' — since it's uniquely ideal for life.
All stars that you see in the night sky are other suns.
The sun makes up more than 99% of the mass in our solar system
We call our galaxy 'The milky way galaxy'.
All elements originate from suns. This means, we and everything around us are made of 'star dust'.
Most of the universe is empty space (just like in atoms)
The earth is round, but the universe is actually flat.

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The observable universe

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The purpose of science is to investigate the universe so that we can come to understand it.
We can only investigate what we can observe.
We observe the universe through the light that reaches the earth.
If things are so far away that their light can't reach earth we are not able to observe it.
The part of the universe that science can investigate is called — The observable universe

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The observable universe

(Luckily, This is quite a lot)

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3.1 The night sky

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3.1 The night sky

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3.1 The night sky

Orbit

Link

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3.1 The night sky

Stars

Planets

Moons

Comets

Meteors and meteorites

Man made objects

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Stars

3.1 The night sky

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Stars

a large, burning body of mass around which planets orbit

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Planets

3.1 The night sky

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Planets

Wandering star

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Planets

Objects in orbit around stars

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Moons

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Natural objects orbiting

Planets

3.1 The night sky

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Moons

3.1 The night sky

Jupiter has 79 moons

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What are satellites?

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Planets

Suns

Galaxy

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Planets

Suns

Galaxy

Solar system

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Planets

Suns

Galaxy

Solar system

Moons

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The night sky — so far

The night sky is filled with stars
all stars are distant suns
Planet orbit suns
Moons orbit planets

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Comets

Meteors

meteorites

3.1 The night sky

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Comets — Ice and dust in space

Meteors

meteorites

3.1 The night sky

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Comets — Ice and dust in space

Meteors — Rock in space

meteorites

3.1 The night sky

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Comets — Ice and dust in space

Meteors — Rock in space

meteorites — Rock from space that reaches earths surface

3.1 The night sky

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Man-made

objects

3.1 The night sky

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Homework

Do: The workbook exercises — including E

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Learning goals

Name several objects that are found in space
Describe what a star, planet and moon are and how they relate
Describe the difference between a comet, meteor and meteorite
Explain what a satellite is

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Lesson 2 — 3.1 The night sky

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