The Universe Some questions on the ooniverse. 4.5 / 5 based on 3 ratings ? Science in SocietyASAQA Created by: GeorgeCreated on: 08-05-10 13:02 What is a nebula? A cloud of gas and dust 1 of 7 Heliocentric means that the Earth is at the center of the solar system. True orFalse? False 2 of 7 What is parallax shift? The apparent change in the postion of something when viewed from a different viewpoint 3 of 7 The brighter a Cepheid Variable is the shorter it's period. True or False? False 4 of 7 The universe is expanding. True or false? True 5 of 7 The CMB (Cosmic Background Radiation) is the leftover radiation from the Big Bang and it now is in what form? Microwaves 6 of 7 What type of motion did teh ancient Greeks observe in the planets? Retrograde 7 of 7
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