Unit 1.2 Discovering the solar system

Pregunta	Respuesta
What is an astronomer	A Scientist who studies the stars and planets. Image: 2193b5a9-ab10-4fc4-8c72-055a4ecc4ead (image/jpg)
What is a Constellation	A Constellation is a group of stars that make a pattern in the sky Image: a484c1a2-188f-4205-a6e4-1abc1759076c (image/jpg)
What is a dwarf planet	A dwarf planet is a small celestial body that is in orbit around the sun and is nearly round in shape. it has insufficient gravity to sweep its orbit Image: d5728582-a455-4e6c-9eb1-f2c13c9d0de6 (image/png)
What is a Geocentric model	This is a model of the universe as earth in its centre Image: ac99e5b9-77ae-475b-836f-b1ada9f7d6df (image/png)
What is the Heliocentric model	This is a model of the universe as the sun in its centre Image: de19e628-5fea-49b1-b9c4-309665455280 (image/jpg)
What is Retrograde motion	This is an apparent loop-like motion of the planets as seen from earth Image: 17c3d7ae-2768-4520-8dea-58e63dcd6ad2 (image/png)
What are the five visible planets	They are mercury, venus, earth, mars, jupiter and saturn
Why was pluto not considered to be a planet	This was because of its size and low gravity
What is terrestrial	This is all the rocky planets

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	Creado por shuaib Mohamed hace alrededor de 10 años