Lesson 3 — 3.1 The night sky

• Astronomy — The night sky
• Middelbare school
• havo, vwo
• Leerjaar 1

Period 4 — Astronomy

3.1 The night sky

Learning goals

• Explain what is meant by orbit
• Name the 6 main objects that are found in space
  
• Showcase the structure of the galaxy in a clear diagram
• Explain in your own words what is meant by 'the observable universe

This lesson

• Recap — The observable universe
• 3.1 The night sky
• Working independently 

Recap

The observable universe

The observable universe

• (Luckily, This is quite a lot)
  

Orbit

Link

3.1 The night sky

3.1 The night sky

Stars

Planets

Moons

Comets

Meteors and meteorites

Man made objects

Stars

Stars

A Massive body of glowing gasses (in a plasma state) 

Planets

Planets

Natural Objects in orbit around stars

Moons

Moons

Natural objects orbiting

Planets

Moons

Jupiter has 79 moons

Satellites

An object in space that orbits another object

Planets

Moons

Star

Galaxy

Solar system

Planets

Suns

Galaxy

Planets

Suns

Galaxy

Solar system

Planets

Suns

Galaxy

Solar system

Moons

The night sky — so far

• Universe — filled with galaxies
• galaxies — filled with stars
• Stars orbit the black hole in the center of a galaxy
•  Around stars orbit planets
• Around planets orbit moons

• Comets

• Meteors 

• meteorites
  

3.1 The night sky

• Comets — Ice and dust in space

• Meteors 

• meteorites
  

3.1 The night sky

• Comets — Ice and dust in space

• Meteors — Rock in space  

• meteorites
  

3.1 The night sky

• Comets — Ice and dust in space

• Meteors — Rock in space  

• meteorites — Rock from space that reaches earths surface
  

3.1 The night sky

Man-made

objects

International space station (ISS)

Homework

Study 6.2

Do: 

• workbook exercises
  
• Including exercise E

Learning goals

• Explain what is meant by orbit
• Name the 6 main objects that are found in space
  
• Showcase the structure of the galaxy in a clear diagram
• Explain in your own words what is meant by 'the observable universe