167374
Descrição
FlashCards por Jessica Schembri , atualizado more than 1 year ago
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Criado por Jessica Schembri
quase 12 anos atrás
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| Questão | Responda |
| Star | A self luminous ball of gas held together by its own gravity |
| Nebula | An interstellar cloud of dust and gas |
| Galaxy | A massive gravitationally bound system that consists of stars, dust and dark matter. |
| Quasar | A compact regionin the centre of a massive galaxy surrounding it central super massive black hole |
| Planet | A celestial body orbiting a star that is massive enough to be rounded by its own gravity. |
| Asteroid | A small rocky body orbiting the sun |
| Astronomy | The branch of science that deals with celestial objects, space and the physical as a whole |
| Cosmology | The science of the origin and development of the universe |
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