The Universe

Planets, Stars and Moons Fill in the table below describing the differences between sun, moon and planet Term Properties Planet Stars Moon Definitions Match each word to its definition Galaxy A cluster of stars, dust and gas held together by gravity, such as the Milky Way Star massive balls of gas that create energy through nuclear fusion. Planets nearly spherical objects that orbit a star. Moons nearly spherical objects that orbit planets. Asteroid irregular rocky objects that orbit a star, often in large belts. Comet masses of ice and dust that orbit a star along very oval paths. Meteoroid lumps of rock or iron that orbit the sun Nebula an enormous cloud of dust and gas occupying the space between stars. celestial bodies is a naturally occurring physical entity, association, or structure that exists in the observable universe. Universe Size Comparison Watch the following video and answer the questions be Classify what type of planet earth is A gas giant An ice A terrestrial planet A dwarf planet Select all of the options that best compete the following sentence.For something to be classified as a planet, it must: Orbit another planet Orbit a star Be large enough to be round Have cleared its orbit of debris Identify whether the following statement is true or false.The Moon is a star. True False Select all of the options that best complete the following sentence.A moon Is a natural satellite Must orbit a star Must orbit a planet Must have a thick atmosphere How has our understanding of the universe changed by the discovery of gravitational waves?