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They learnt about a scientist called Nicolaus Copernicus who suggested this wasn’t correct and actually the sun is at the centre of the universe. This was the first idea of the heliocentric model that we use today. In order to understand it further, we used children as planets and the sun. The children who were the planets orbited the child who was the sun. Tycho Brahe was an astronomer whose personal life was as varied as his astronomical one. Brahe had issues with the Copernican model and proposed a Geo-Heliocentric Model where the Moon and Sun orbited Earth but everything else orbited the Sun.
These are all due to electronic changes in the atoms, the electrons are excited and then lose energy by emitting energy as photons of light. These emitted frequencies can be recorded on a photographic plate, or these days a digital camera. A relatively large concave mirror collects as much light as possible from distant astronomical object e.g. a star.
We learnt that Aristotle was pivotal in his research of the solar system and believed that the Earth was at the centre of the solar system with the sun and the other planets orbiting around it. We had lots of fun watching our friends demonstrate this, before learning that this model of the solar system is known as the Geocentric model. Conversely, If an object initially speeds up, it partially overcomes https://www.wikipedia.org/ the centripetal gravitational force moves to a higher orbit of greater radius, but then it slows down in a larger radius stable orbit. Moons are natural satellites of a planet – Earth just has the ‘Moon’, other planets in our solar system have many moons. The Hubble Space Telescope has been put into orbit around the Earth acting just like satellite with an adjustable optical telescope.
The Catholic Church was not too impressed by the scientific model challenging the religious view of how our ‘universe’ works. On a larger scale, the manned international space station is effectively a giant satellite performing all sorts of scientific functions. The centripetal force stops the object from going off at a tangent in a straight line. Unlike the planet orbits, which are all in a narrow plane, comet orbits are at all sorts of angles with respect to the plane of our solar system.
Boards are the best place to save images and video clips. Piety prevents many people from agreeing with Copernicus out of fear that the Holy Ghost speaking in Scripture will be branded as a liar if we say that the Earth moves and the Sun stands still. But these persons should bear in mind that we learn most things and the most important https://www.laalmeja.com/ things with the sense of sight, and therefore cannot detach our speech from the visual sense. Thus, very many things happen every day when we talk the language of the sense of sight even though we know for a certainty that the situation is otherwise. Thus, when we emerge from a narrow valley, we say that a wide plain opens up before us.