Learn Through English
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Learn Through English |
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Natural Science |
The Universe and Our Galaxy |
Now you are more familiar with the universe and some of bodies that are part of it, answer the following questions about it:
1 |
Do we know what other galaxies look like now? Why not? |
2 |
What is happening to all galaxies? Why? |
3 |
What do scientists think quasars are? Where are they? |
4
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What can they tell us about the Universe? |
5
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Are all stars equal? |
6
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What causes the colour of a star? |
7
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Order from hottest to ‘coolest’: Yellow stars, Red stars, Blue stars. |
8
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How can we know what elements a star is made of? |
9 |
Can you explain what a spectrum is? |
As I suppose you know by now, there are uncountable galaxies in the universe, but one is particularly relevant to us: the Milky Way, the spiral galaxy where our solar system is. How much do you know about it? Answer the questions.
1 |
How large is it? How many stars are there? |
2 |
Is the Sun a very important star in the galaxy? |
3 |
How long would it take to travel from the Sun to the nearest star in the fastest spaceship? And to cross the whole galaxy? |
Have you finished? Then you are ready to learn about our Solar system.