Tamil Nadu Police Exam Earth and Solar System Geography part 1
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the sun has set in the west, the stars are visible to our eyes with great brightness.First look at the stars and see them twinkling. But the planets are aligned It will be displayed as a light. Planets do not twinkle.
Planets are not in the same position. Today is one A certain planet that appears near a constellation will appear near another constellation after a period of time. There are eight planets in total in the solar system. All planets revolve around the sun.
Earth too Just a planet.' Cosmology Cosmology is the study of the universe. Name that. 'Cosmas' is a Greek word. 0 Wednesday, Friday, solid planets. earth, tuesday All four Jupiter, Saturn, Uranus and Neptune are the four Gas planets.
All the planets orbit the Sun in roughly the same plane in an elliptical orbit. 0 Only the five planets Mercury, Venus, Mars, Jupiter and Saturn can be seen with the naked eye. Neptune is visible only through binoculars. Mercury and Venus are visible just before sunrise and after sunset in the evening. Uranus and Venus in the morning before sunrise When visible it is called vidivelli.
Mars, Jupiter and Saturn are all night planets In the sky in the east or overhead or in the west The naked eye can see. D It is because of the presence of life (oxygen) in the Earth's atmosphere that many organisms and we can live. 0 The hero of the solar system is the Sun. The sun is very high Big super hot gas ball. It is about 15 crore km from Earth. The Sun is the only celestial body in the solar system that shines on its own. Saturn's ring-like structure can be seen through binoculars.
Light-year A light year is the distance that light can travel in one year. The speed of light is 3,00,000 km per second. is But sound travels at a speed of 330 meters per second. Jupiter, Uranus and Neptune also have rings. . Pluto, Ceres, Aries, Makemake, Hawmee, Charon etc. as Dwarf Planets in 2006 Classified as new. 0 Dwarf planets orbit the Sun.
No planet is automatically emitting light. That means planets have no self light. They reflect sunlight. There are millions of asteroids between Mars and Jupiter. Asteroids are named after Indian astronomer Vainupappu, Anumashakti." Hierarchy of the Universe 2. Galaxy 4. Planets Barandam Suryak Family 5. Satellites The moon is known by many names like Lavu, Nila, Madi, Dingal The moon revolves around the earth is called Does not revolve directly around the Sun. It is called satellite. So the Moon takes approximately 27.3 days to orbit the Earth It is the moon is coming takes 0 The far side of the Moon was first photographed by the Luna 3 satellite in 1959. took The Moon is a planet only about a quarter of the Earth's diameter. It appears large because it is so close to the Earth. It orbits the Earth at an average distance of 3,84,401 km. Moon is spherical like Earth. Although the moon appears to shine in the night sky, the moon is actually reflecting the light of the sun. On the new moon day, the moon is between the sun and the earth. Therefore the moon cannot be seen. Midnight Sun The 'Midnight Sun' is a 24-hour overhead phenomenon in both hemispheres during the summer north of the Arctic Circle and south of the Antarctic Circle.
Perihelion and Aphelion 'Solar Proximity' is the event when the Earth comes closest to the Sun in its orbit. Seimai' is a phenomenon observed by the Earth in its orbit - away from the Sun. sun ] When the sun shines on the moon, half is day and half is night, always. The angle of the Moon varies with our view from the Earth. crescent Meteoroids can be seen in the night light. Suddenly in the sky shooting star called This is the scene caused by particles left by comets rubbing against Earth's atmosphere.
When cometary particles or small rocks enter Earth's ring, they burn up due to friction with the ring. Penetrates quickly comet of the comet The tail is forever Spin In the opposite direction. A tail of fine particles from the Sun to the sun O disc (1) The tail is formed by colliding with the vapor emitted from the star. A comet is not a galaxy. It is a glacier filled with snow, dust etc. The size of the sun It can hold 1.3 million Earths within itself The sun is huge. Universe Universe is a collection of billions of stars.
A block of billions of universes It is great. 0 All visible stars, including the Sun, belong to the Milky Way. On some days, a white glowing band can be seen in the clear night sky. Our forefathers called it Milkyway and Agaya Ganga. ] The solar family is a part of the Milky Way Universe.
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