Question

QII: Explain the following term any five

1. Universe

2…Galaxy

3 Planet

4 Solar system

5 Water cycle

6 Star​

Answer 1

Answer:

The Universe- is everything we can touch, feel, sense, measure or detect. It includes living things, planets, stars, galaxies, dust clouds, light, and even time.

Galaxy- A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.

planet - A planet is a celestial body that revolves around sun.

Solar system- The Solar System is all of the objects in space that travel around the Sun: Planets, stars, meteorite, meteors etc.

Star star is a very large ball of bright glowing hot matter in space

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Answer 2

Answer:

1. Universe: The Universe is everything we can touch, feel, sense, measure or detect. It includes living things, planets, stars, galaxies, dust clouds, light, and even time. ... The Universe contains billions of galaxies, each containing millions or billions of stars. The space between the stars and galaxies is largely empty.

2. Galaxy: Galaxies are sprawling systems of dust, gas, dark matter, and anywhere from a million to a trillion stars that are held together by gravity. Nearly all large galaxies are thought to also contain supermassive black holes at their centers.

3. Planet: Planets are. large natural objects that orbit, or travel around, stars. Eight planets orbit the star called the Sun. In order from the closest to the Sun, these planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

4. Solar system: The solar system is the sun and everything that orbits around it. It includes the planets and their moons as well as numerous asteroids and comets. These objects are all held in orbit around the sun by the sun's strong gravity.

5. water cycle: The water cycle is the path that all water follows as it moves around Earth in different states. Liquid water is found in oceans, rivers, lakes—and even underground. ... The water cycle is the path that all water follows as it moves around our planet.

6. star: Stars are huge celestial bodies made mostly of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores. Aside from our sun, the dots of light we see in the sky are all light-years from Earth.

Hope this will help to you !