THE SOLAR SYSTEM by Rosanna Saprio https://padlet.com/r_saprio1/thesolarsystem en-us 2017-09-27 14:09:04 UTC 2025-05-26 00:39:19 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Hotsun.png THE SUN r_saprio1 https://padlet.com/r_saprio1/thesolarsystem/wish/192428016 The sun is at the centre of the system and is a star .It's more than a million kilometres in diameter, and it's about 4.5 billion years old.The temperature on the sun is more than 5,000°C. Light from the sun takes about eight minutes to get to Earth.There are three main parts to the Sun's interior: the core, the radiative zone, and the convective zone. The core is at the center. It's the hottest region, where the nuclear fusion reactions that power the Sun occur. Moving outward, next comes the radiative (or radiation) zone. Its name is derived from the way energy is carried outward through this layer, carried by photons as thermal radiation. The third and final region of the solar interior is named the convective (or convection) zone. It is also named after the dominant mode of energy flows in this layer; heat moves upward via roiling convection]]> 2017-09-29 13:00:02 UTC https://padlet.com/r_saprio1/thesolarsystem/wish/192428016 PLANETS r_saprio1 https://padlet.com/r_saprio1/thesolarsystem/wish/192430407 There are 8 main planets in the system and they all orbit around the sun in curved paths called orbits. Some planets, except Mercury and Venus, have moons moving around them. Earth has one moon. Saturn's moon is Titan and it's bigger than Mercury.its surface is made of rock and ice .The 4 planets nearest to the  Sun, including the  Earth, have solid, hard and rocky 
surfaces. ]]> 2017-09-29 13:04:07 UTC https://padlet.com/r_saprio1/thesolarsystem/wish/192430407 Mercury r_saprio1 https://padlet.com/r_saprio1/thesolarsystem/wish/192435228 is the planet closest to the Sun. This has a cratered surface and travels quickly around the Sun , taking 88 days to complete one orbit. It's the smallest  planet.Mercury's core has a higher iron content than that of any other major planet in the Solar System, ]]> 2017-09-29 13:13:52 UTC https://padlet.com/r_saprio1/thesolarsystem/wish/192435228 VENUS r_saprio1 https://padlet.com/r_saprio1/thesolarsystem/wish/192436208 lies between Mercury and the Earth. It has a thick atmosphere, its clouds are made from burning sulphuric acid. Nothing could survive on its hot, poisonous surface]]> 2017-09-29 13:16:04 UTC https://padlet.com/r_saprio1/thesolarsystem/wish/192436208 MARS r_saprio1 https://padlet.com/r_saprio1/thesolarsystem/wish/192439895 is the last of the rocky planets. it's a lot colder than the Earth because it's further away from the Sun. On Mars there is the largest volcano in the solar system. It's called Olympus Mons and it's 27 km high, more than Mount Everest.
The planet furthest from the Sun is Pluto, smaller than our Moon has a freezing temperature. Being too small, scientists  declared it as a" dwarf planet"]]> 2017-09-29 13:24:17 UTC https://padlet.com/r_saprio1/thesolarsystem/wish/192439895 COMETS r_saprio1 https://padlet.com/r_saprio1/thesolarsystem/wish/192443290 Comets are small balls of ice and rock. When they move nearer the Sun's heat, the ice melts and turns to water and gas, that becomes the comet's tail. When the comet moves away from the sun, it gets colder and loses the tail. Halley's comet is the most famous comet. We can see it every 75 years, and the next visit will be in 2061.]]> 2017-09-29 13:31:27 UTC https://padlet.com/r_saprio1/thesolarsystem/wish/192443290 ASTEROIDS r_saprio1 https://padlet.com/r_saprio1/thesolarsystem/wish/192445309 they are made of rock and they never have a tail. Sometimes asteroids hit the Earth. Asteroids may look like small stars in the sky, but they really do move around the Sun, while stars only seem to move because the Earth spins. Like planets, asteroids do not make their own light.
About 66 million years ago an asteroid hit our planet and caused the extinction of the dinosaurus.]]> 2017-09-29 13:36:06 UTC https://padlet.com/r_saprio1/thesolarsystem/wish/192445309 Uranus is the seventh planet from the Sun. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. Uranus is similar in composition to Neptune. The scientists often classify Uranus and Neptune as "ice giants" to distinguish them from the gas giants. Uranus's atmosphere is similar to Jupiter's and Saturn's in its primary composition of hydrogen and helium, but it contains more "ices" such as water, ammonia, and methane, along with traces of other hydrocarbons. It is the coldest planetary atmosphere in the Solar System. The interior of Uranus is mainly composed of ices and rock. r_saprio1 https://padlet.com/r_saprio1/thesolarsystem/wish/297650438 2018-10-27 14:14:06 UTC https://padlet.com/r_saprio1/thesolarsystem/wish/297650438 Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. It is a gas giant with an average radius about nine times that of Earth.Saturn's interior is probably composed of a core of iron–nickel and rock (silicon and oxygen compounds). . Saturn has a pale yellow hue due to ammonia crystals in its upper atmosphere r_saprio1 https://padlet.com/r_saprio1/thesolarsystem/wish/297650939 2018-10-27 14:19:18 UTC https://padlet.com/r_saprio1/thesolarsystem/wish/297650939 Neptune is the eighth and farthest known planet from the Sun in the Solar System. Neptune orbits the Sun once every 164.8 years r_saprio1 https://padlet.com/r_saprio1/thesolarsystem/wish/297651759 Like Jupiter and Saturn, Neptune's atmosphere is composed primarily of hydrogen and helium, along with traces of hydrocarbons and possibly nitrogen, but it contains a higher proportion of "ices" such as water, ammonia, and methane.However, its interior, like that of Uranus, is primarily composed of ices and rock, which is why Uranus and Neptune are normally considered "ice giants" ]]> 2018-10-27 14:26:35 UTC https://padlet.com/r_saprio1/thesolarsystem/wish/297651759 Jupiter is the fifth planet from the Sun and the largest in the Solar System. It is a giant planet .Jupiter and Saturn are gas giants; the other two giant planets, Uranus and Neptune, are ice giants. Jupiter is primarily composed of hydrogen with a quarter of its ma++ss being helium. It may also have a rocky core of heavier elements, but like the other giant planets, Jupiter lacks a well-defined solid surface.. r_saprio1 https://padlet.com/r_saprio1/thesolarsystem/wish/297652406   .]]> 2018-10-27 14:32:45 UTC https://padlet.com/r_saprio1/thesolarsystem/wish/297652406