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2 The Universe

There is a need here to have seen photos of the universe by looking at its scale.

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What is Space ? (2 The Universe)

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Tuesday 3 May 2022 by Matthieu Giroux

Space is a place where you can move into. Otherwise it would be nothingness. It may seem quite normal that we can move in space. But the fact that there is a vacuum in the universe does not necessarily mean that we can move. To move you have to live so be aware that you are moving. So space (...)

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What is a Satellite ? (2 The Universe)

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Tuesday 3 May 2022 by Matthieu Giroux

A satellite is an object or planet that orbits around a larger planet. A lot of communication and mapping satellites have been placed around the earth. For some, these satellites can help fighting cyclones, as long as we want to slow down the cyclones. Probes that travel through the solar (...)

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What is the Starry Sky ? (2 The Universe)

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Tuesday 3 May 2022 by Matthieu Giroux

When there is dark night we can see the starry sky. Otherwise, only the brightest star is seen, if there is no cloud. The starry sky is the universe that you see at night. But we also know that there is a universe that we do not see. Indeed, the stars hide other stars. Really the universe is (...)

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Using a Telescope (2 The Universe)

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Tuesday 3 May 2022 by Matthieu Giroux

We can magnify the light that comes from the universe at night. It is even possible with some telescopes to look at the contours of the sun hiding it. But we should not look at the sun with the telescope because the light would blind, rather put a sheet outside the telescope. Attention to the (...)

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What is the Solar System ? (2 The Universe)

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Tuesday 3 May 2022 by Matthieu Giroux

The solar system is the nine planets and their moons that revolve around the sun. We don’t know how our solar system was formed. Earth is the third planet in the solar system. As seen in the photo, it is small. It was believed that the planets could not move around the stars. Indeed, there is (...)

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What is a Star’s Death ? (2 The Universe)

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Tuesday 3 May 2022 by Matthieu Giroux

A star produces light. So something is escaping from the star. So at the end the star can no longer produce light. She’s dying. The sun will die in billions years. It will turn into a red giant and swallow the planets. It will be a long time since there will be no life on Earth. Then the red (...)

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What is a Black Hole ? (2 The Universe)

Tuesday 3 May 2022 by Matthieu Giroux

Light is both a particle and a wave. So light is attracted by gravity. A black hole is so massive that it even attracts light. So we wouldn’t see anything coming out of the black hole. That’s why we see a black hole in relation to its environment. But it was detected that black holes emit a lot (...)

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What is a Galaxy ? (2 The Universe)

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Tuesday 3 May 2022 by Matthieu Giroux

Initially, We told that our galaxy was the universe. Then with the telescopes we saw galaxies. A galaxy are stars that revolve around a black hole, that is to say a gigantic matter’s cluster, so heavy that light does not come out of it. The galaxy’s black hole, however, is a very small galactic (...)

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What is an Exoplanet ? (2 The Universe)

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Monday 2 May 2022 by Matthieu Giroux

We can now detect planets that revolve around stars, because our instruments can separate the light received from stars. We find some light’s lack. We often hear about new discovered exoplanets. Our sun is a star and our planet revolves around it. So an exoplanet revolves around a star other (...)

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The Universe is Creating (2 The Universe)

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Monday 2 May 2022 by Matthieu Giroux

The fact that life exists is due to universe that we know to create life. Not only life is a creation of the universe, but also we discover that there are more and more galaxies especially among the smallest. The universe is expanding organizing, because large galaxies create instability in the (...)

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