click below
click below
Normal Size Small Size show me how
owen12
astronomy
Question | Answer |
---|---|
nebula | a large cloud of gas and dust in interstellar space. |
solar nebula | the cloud of gas and dust formed in our solar system. |
nuclear fusion | the combination of the the nuclei of small atoms to form a larger nucleus releases energy. |
sunspots | a dark area of the photosphere. |
crust | the thin solid outer layerof the earth. |
mantle | the layer of rock between the earth's crust and core. |
core | the central part of the earthbelow the mantle |
orbit | the path that a body follows as it travels. |