The small test – “Galaxy”

The small test – “Galaxy”

1. 
   How many galaxies are the since universe?
   

1. 
   Hundreds
   
2. 
   Millions
   
3. 
   Billions
   

2. 
   How many kilometers is an astronomical unit?
   

b) 170 million

c) 180 million

3. 
   How many kilometers is a light-year?
   

1. 
   7,46 trillion
   
2. 
   8,46 trillion
   
3. 
   9,46 trillion
   

4. 
   Which planet is closes to the sun?
   

1. 
   Mercury
   
2. 
   Venus
   
3. 
   Mars
   

5. 
   Which planet is farther to the sun?
   

1. 
   Saturn
   
2. 
   Uranus
   
3. 
   Neptune
   

6. 
   How long is Milky Way galaxy? It is about…
   

1. 
   200000 Light-years
   
2. 
   150000 Light-years
   
3. 
   100000 Light-years
   

7. 
   The Milky Way is galaxy…
   

1. 
   Spiral
   
2. 
   Spherical
   
3. 
   Round
   

8. 
   How many planets are in the solar system?
   

1. 
   8 planets
   
2. 
   7 planets
   
3. 
   9 planets
   

Did you know?

1.Complete the sentences with: planets, moons, comet, galaxy, solar system, system, satellite. Check in the World list.

1) All the ………… in our ………… are 4.5 billion years old.

2) Jupiter has 63 ………… .The largest. Ganymede, is bigger than Mercury.

3) The stars in the milky way, the ………… to which the sun belongs, number in hundreds of billions.

4) The gas tail of a ………… always points away from the sun.

5) The first communications ………… orbited the earth every 2 hours and 37 minutes.

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