Can you answer the following questions from yesterday’s lesson?

1. What was the name of the first man-made satellite?

2. When was the first man-made satellite launched?

3. What was the name of the dog on the second satellite?

4. When was the Hubble space telescope launched?

Can you answer the following questions from yesterday’s lesson?

1. What was the name of the first man-made satellite? Sputnik

2. When was the first man-made satellite launched?

3. What was the name of the dog on the second satellite?

4. When was the Hubble space telescope launched?

Can you answer the following questions from yesterday’s lesson?

1. What was the name of the first man-made satellite? Sputnik

2. When was the first man-made satellite launched? 1958

3. What was the name of the dog on the second satellite?

4. When was the Hubble space telescope launched?

Can you answer the following questions from yesterday’s lesson?

1. What was the name of the first man-made satellite? Sputnik

2. When was the first man-made satellite launched? 1958

3. What was the name of the dog on the second satellite? Laika

4. When was the Hubble space telescope launched?

Can you answer the following questions from yesterday’s lesson?

1. What was the name of the first man-made satellite? Sputnik

2. When was the first man-made satellite launched? 1958

3. What was the name of the dog on the second satellite? Laika

4. When was the Hubble space telescope launched? 1990

Today’s lesson

• The Solar System• The Milky Way• Galaxies• The Universe• The Big Bang

The Solar System

Our galaxy – The Milky way

Our galaxy – The Milky way

• Around 200 000 000 000 stars• 100 000 light years across

Our galaxy – The Milky way

The Local Group

The Local Group

• 30 galaxies• 100 000 000 light years across

The Universe

• Everything! (time, space, matter, energy)• 14 000 000 000 years old• 93 000 000 000 light years across

The Universe

The Universe