Stars - teachers.wrdsb.ca

Stars - teachers.wrdsb.ca

Stars Stars made of burning gas creates light as a result of nuclear fusion taking place at its core the majority of stars in the sky are bigger and brighter than the sun Stars dont twinkle result of light changing direction as it goes through the Earths atmosphere there are approximately 400 billion stars in the Milky Way galaxy alone.

Constellation a group of stars forming a recognizable pattern that is traditionally named after its apparent form or identified with a mythological figure modern astronomers divide the sky into 88 constellations with defined boundaries Why are some stars brighter than others? 1. actual brightness (luminosity) 2. distance from the Earth

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