Category: Astronomy

Write a summary of one of the topics: Option 1: The expanding Universe A good summary is expected to address the following issues / talking points: – How do we know that the Universe is expanding? Describe Hubble’s law, and the types of measurements that need to be taken in order to measure the Hubble… Continue reading Write a summary of one of the topics:
Option 1: The expanding Universe
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1. Stars in Universe. How many stars are there in the Universe? Solution: Assumptions: According to astronomers, there are probably more than 170 billion galaxies in the observable Universe. Our Galaxy Milky Way contains up to 400 billion stars of various masses and brightness’s. There are spiral galaxies out there with more than a trillion… Continue reading 1. Stars in Universe.
How many stars are there in the Universe?
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By now you are probably part-way through the lessons of Unit 1 in the video game, covering lessons like gravity and seasons, how they work, and how they can work rather differently on other planets (or you may be farther into the game than that, which is fine). Your avatar in the game, and classmates… Continue reading By now you are probably part-way through the lessons of Unit 1 in the video game

Discussion 4: Free-choice Astronomy News – Reading Science News – Discussion Group 14 From ASTR 101 B2929 unread replies.2929 replies. This week delve into any astronomy-related article you’d like–it’s all part of the universe! It could be primordial black holes, quasars, colliding galaxies, the largest stars, etc., anything that piques your interest! Please refrain from… Continue reading Discussion 4: Free-choice Astronomy News – Reading Science News – Discussion Gro