Published on March 9, 2014
Let us discover the outer space!! -planet discoveryFor Grade 5 Science
Everything in the Solar System orbits or revolves around the Sun.
Our solar neighborhood is an exciting place. The Solar System is full of planets, moons, asteroids, comets, minor planets, and many other exciting objects. Learn about Io, the explosive moon that orbits the planet Jupiter, or explore the gigantic canyons and deserts on Mars.
The Sun or Sol, is the star at the centre of our solar system and is responsible for the Earth’s climate and weather. The Sun is an almost perfect sphere with a difference of just 10km in diameter between the poles and the equator. The average radius of the Sun is 695,508 km (109.2 x that of the Earth) of which 20–25% is the core.
Size comparison of the planets
THE 8 PLANETS MERCURY SATURN URANUS VENUS JUPITER NEPTUNE EARTH MARS
Mercury is the closest planet to the Sun and due to its proximity it is not easily seen except during twilight. For every two orbits of the Sun Mercury completes three rotations about its axis and up until 1965 it was thought that the same side of Mercury constantly faced the Sun. Thirteen times a century Mercury can be observed from Earth passing across the face of the Sun in an event called a transit, the next will occur on the 9th May 2016.
Venus is the second planet from the Sun and is the second brightest object in the night sky after the Moon. Named after the Roman goddess of love and beauty, Venus is the second largest terrestrial planet and is sometimes referred to as the Earth’s sister planet due the their similar size and mass. The surface of the planet is obscured by an opaque layer of clouds made up of sulfuric acid.
earth is the third planet from the Sun and is the largest of the terrestrial planets. Unlike the other planets in the solar system that are named after classic deities the Earth’s name comes from the Anglo-Saxon worderda which means ground or soil. The Earth was formed approximately 4.54 billion years ago and is the only known planet to support life. : -88 to 58°C
Mars is the fourth planet from the Sun. Named after the Roman god of war, and often described as the “Red Planet” due to its reddish appearance. Mars is a terrestrial planet with a thin atmosphere composed primarily of carbon dioxide.
Jupiter is the fifth planet from the Sun and is the largest planet in the solar system, like the other four outer planets Jupiter is a gas giant.
Saturn is the sixth planet from the Sun and is named after the not known to exist until Galileo first observed them in 1610. Roman god of wealth. Saturn is the second largest planet in the solar system and is best known for its fabulous rings. The rings were
Uranus is the seventh planet from the Sun and was the first planet to be discovered with the use of a telescope. Uranus’ most unique feature is that its axis sideways in comparison to other planets i.e. its north and south poles are in line with where other planets have their equators. Uranus is named after the Greek god of the sky.
Neptune is the eighth planet from the Sun and the smallest of the gas giants. Neptune was the first planet found by mathematical prediction after unexpected changes in the orbit of Uranus were observed. Neptune is named after the Roman god of the sea.
PRESENTED BY: tifhany Perez Lansangan BEEd G3-2 day
1. Let us discover the outer space!!-planet discoveryFor Grade 5 Science. 2. Everything in the Solar System orbits or revolves around the Sun. 3.
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