kartoshechka49

02.06.2021 10:17

Английский язык

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A. What are constellations?
В. Why do stars shine so brightly?
С. Why do constellations appear to change position?
D. What types of galaxies are in the universe?
E. What are stars made up of?
F. Which star is the closest to the Earth?

1.___________
Over millions of years, hot clouds of gas called nebulae grow until they explode and form huge,
blazing balls of fire. This is how stars are born. Our own sun is a star. Eventually, like all stars, it
will run out of fuel and die. Don't worry though - this won't happen for another 4 billion years!

2.__________
Stars are sources of light. This is the reason they shine so brightly in the sky. The moon, planets
and comets also shine, but they don't give out their own light. They just reflect it from the sun.

3 .______________
In fact, when stars' light reaches our eyes, we sometimes see them as they were thousands of
years ago! Our sun is the nearest star to Earth, but it is still about 150 million kilometers away! It
is a part of the Milky Way galaxy, a white band of stars that stretches across the night sky.
4.__________
Constellations are groups of stars. If you draw lines between them (and use lots of imagination!)
they sometimes look like objects, animals or people. The ancient Greeks thought that Orion
looked like a giant hunter with a sword attached to his belt!
5.__________
As the earth moves around the sun, we see the constellations in different positions in the sky at
different times of the year. In the same way, the whole sky seems to move towards the west as
the earth rotates on its axis throughout the night.