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6thAstroChap3Sec1&2
6th Grade Astronomy Chapter 3 Sec 1 & 2
Question | Answer |
---|---|
geocentric | earth centered |
heliocentric | sun centered |
ellipse | an oval shape |
nuclear fusion | hydrogen atoms join together to make helium |
radiation zone | region of very lightly packed gas where energy is transferred mainly in the form of electric magnetic radiation |
convection zone | outermost layer of the sun's interior |
photospere | inner layer of the sun's atmosphere |
chromosphere | middle layer of sun's atmosphere |
corona | outer layer of sun's atmosphere |
solar wind | streams of electrically charged particles |
sunspots | areas of gas on the sun's surface that are cooler than the gases around them |
prominences | huge reddish loops of gas |
solar flares | eruptions of gas into space |