Astronomer's Timeline - Task 3

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Task 7-The constellations

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                  The constellations A constellation is a set of fixed stars or unrelated stars that form an imaginary pattern.There are 88 constellations.The Greeks discovered the constellations. To find a constellation you have to be in a place with no light and no full moon,  knowing the constellations can be of great help to quickly orient yourself. Aries   Leo Ursa Major Eridanus Ursa Major’s history : Ursa Major (also known as the Great Bear) is a constellation in the northern sky, whose associated mythology likely dates back into prehistory. Its Latin name means "greater (or larger) she-bear," referring to and contrasting it with nearby Ursa Minor, the lesser bear. In antiquity, it was one of the original 48 constellations listed by Ptolemy in the 2nd century AD. Today it is the third largest of the 88 modern constellations. Ursa Major is visible throughout the year from most of the nor...
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Task 6 - A Planet of the Solar System

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  The solar system   The Solar System is located in the Milky Way, a barred spiral galaxy with a diameter of about 100,000 light-years containing more than 100 billion stars The Sun resides in one of the Milky Way's outer spiral arms, known as the Orion-Cygnus Arm or Local Spur. The Solar System is the system where all planets are attached to each other, other moons and the Sun, all bound by gravity, either directly or indirectly.  It consists of a star; the Sun, the planets; a total of nine, dwarf planets; such as Pluto, moons and millions of asteroids, comets and meteoroids. The Solar System also contains smaller objects. The asteroid belt, which lies between the orbits of Mars and Jupiter, mostly contains objects composed, like the terrestrial planets, of rock and metal. Beyond Neptune's orbit lie the Kuiper belt and scattered disc, and beyond them a newly discovered population of sednoids.              ...
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Task 5-The Compass

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  The Compass Introduction:  Our objective is to create a compass with easy to find materials. We think it will work because we already knew the experiment. Materials:  -1 Bowl -Water -1 Cork -1 Sewing Needle -1 Magnet -1 Cutter -1 Marker Procedure:  First, we put some water in the bowl. Now, we cut a piece of the cork with the cutter. When we have the cork, we mark with the marker the N (North) and S (South) in the correct direction. After marking the cork, we put the sewing needle inside. When we’ve got the needle inside, we scratch the needle with the magnet, magnetizing it.  Results:  After a few attempts we made it correctly and it worked. Sources:  https://youtu.be/lWEK7QLhJRQ   
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