The Discovery Of Venus : Earth 's Sky Essay

The Discovery Of Venus : Earth 's Sky Essay

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The second planet from the Sun and the third brightest object in the Earth’s sky after the Sun and Moon. Also referred to as Earth’s sister planet, because of its similar size and mass. It is also the closest planet to Earth. This planet is known as Venus and was named after the Roman goddess of love and beauty and is the second largest terrestrial planet. This planet is sometimes referred to as the “morning star” and the “evening star.” One day on Venus is longer than one year. Along with all of these things Venus also has a variety of atmospheric conditions, characteristics of the celestial body, including the path of movement and the personality of the celestial body.
The Planet
Venus was named after the Roman goddess of love and beauty. They believe that because of the planets brightness the Babylonians in 1581 referred to Venus as the “bright queen of the sky” ("Venus Facts: Interesting Facts about Planet Venus • The Planets", n.d.).
The discovery of Venus was actually quite easy for the fact that the planet is visible with an unaided eye, but because of this fact it is hard to say who truly discovered the planet. We don’t know when Venus was first discovered but we do have the oldest surviving astronomical documents. These documents are in Babylonian text from about 1600 BC. In this document it shows a 21-year record of the phases of Venus. In 1610 Galileo Galilei was the first person to point a telescope at Venus (Cain, 2015).
Galileo also saw like the Babylonians that Venus goes through phases like the Moon. This helped in supporting the Copernican view that the planets orbit the Sun, and not the Earth. They believed that Venus would move across the Sun’s surface and this was first discovered on December 4th, 1639. ...


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...e much different than those of other planets. The surface of Venus is covered by thick clouds. The clouds on Venus are made up of sulfur dioxide and drops of sulfuric acid. They reflect about 755 of the sunlight that hits them, making them opaque. Beneath the clouds only a fraction of sunlight reaches the surface. The upper clouds of Venus are between 30 – 50 miles’ altitude. This is the part of Venus that we see in telescopes and visible light photographs of the planet. These clouds rain sulfuric acid that never reaches the ground. The high temperatures of Venus evaporate the sulfuric acid drops causing them to then rise up again and back into the clouds. Some space crafts have even detected lightning on Venus, coming out of the clouds almost like it does here on Earth (Cain, 2016).
Venus does not have any moons or rings, but does have a lot of volcanic activity.

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