https://padlet.com/305158/no0lvb2kqusi N/A en-us 2018-01-09 18:18:00 UTC 2023-04-13 01:44:54 UTC hello@padlet.com 305158 https://padlet.com/305158/no0lvb2kqusi/wish/219893471 The universe is the whole of all matter, energy, planets, galaxies and space. An example of universe is where everyone and everything exists. ]]> 2018-01-09 18:21:33 UTC https://padlet.com/305158/no0lvb2kqusi/wish/219893471 305158 https://padlet.com/305158/no0lvb2kqusi/wish/219893765 the star around which the earth orbits.]]> 2018-01-09 18:22:05 UTC https://padlet.com/305158/no0lvb2kqusi/wish/219893765 305158 https://padlet.com/305158/no0lvb2kqusi/wish/219894103 Gravity is a force which tries to pull two objects toward each other. Anything which has mass also has a gravitational pull. The more massive an object is, the stronger its gravitational pull is. Earth's gravity is what keeps you on the ground and what causes objects to fall.]]> 2018-01-09 18:22:42 UTC https://padlet.com/305158/no0lvb2kqusi/wish/219894103 305158 https://padlet.com/305158/no0lvb2kqusi/wish/219895383 A huge ball of gas held together by gravity. The central core of a star is extremely hot and produces energy. Some of this energy is released as visible light, which makes the star glow. ... Our Sun, the center of our solar system, is a yellow star of average temperature and size.

]]> 2018-01-09 18:25:02 UTC https://padlet.com/305158/no0lvb2kqusi/wish/219895383 305158 https://padlet.com/305158/no0lvb2kqusi/wish/219895999 a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.]]> 2018-01-09 18:26:12 UTC https://padlet.com/305158/no0lvb2kqusi/wish/219895999 305158 https://padlet.com/305158/no0lvb2kqusi/wish/219896861 An asteroid is a large, irregularly shaped object in space that orbits our Sun. If one of these giant rocks ends up on a collision course with Earth, we are in for big trouble. An asteroid is like a comet. ... Around a million asteroids are located between Mars and Jupiter in an area called the “asteroid belt.”]]> 2018-01-09 18:27:46 UTC https://padlet.com/305158/no0lvb2kqusi/wish/219896861 305158 https://padlet.com/305158/no0lvb2kqusi/wish/219898102 a celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun.]]> 2018-01-09 18:30:02 UTC https://padlet.com/305158/no0lvb2kqusi/wish/219898102 305158 https://padlet.com/305158/no0lvb2kqusi/wish/219899305 a celestial body distinguished from the fixed stars by having an apparent motion of its own (including the moon and sun), especially with reference to its supposed influence on people and events.]]> 2018-01-09 18:31:59 UTC https://padlet.com/305158/no0lvb2kqusi/wish/219899305 305158 https://padlet.com/305158/no0lvb2kqusi/wish/219900520 a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere.]]> 2018-01-09 18:34:16 UTC https://padlet.com/305158/no0lvb2kqusi/wish/219900520 305158 https://padlet.com/305158/no0lvb2kqusi/wish/219902146 the natural satellite of the earth, visible (chiefly at night) by reflected light from the sun.]]> 2018-01-09 18:37:20 UTC https://padlet.com/305158/no0lvb2kqusi/wish/219902146