astronomy unit 5 text questions - Review Questions 1 What are the terrestrial planets The terrestrial planets are Mercury Venus Earth and Mars 2 How

astronomy unit 5 text questions - Review Questions 1 What...

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Review Questions 1. What are the terrestrial planets? The terrestrial planets are Mercury, Venus, Earth and Mars. 2. How were the inner and outer planets formed? The planets first formed during the Big Bang which resulted in clouds of dust and gas or the solar nebula. 3. What role do impact craters play on Venus? Which planet is Earth most like? In what ways is this planet like Earth? Venus’ Impact craters prevents its atmosphere from any outside items. Venus is most like Earth both planets have volcanoes and mountains. Also Venus and Earth are almost the same size. 4. Which planet is summarized as being the least elliptical of all the planets? Why is it summarized as being the least elliptical? The planet in which is summarized being the least elliptical of all planets is Venus. The reason is because its revolution is almost a perfect circle. Critical Thinking Questions 1. Why is Earth more suitable for life than Venus? Earth is more suitable for life than Venus because Earth is not as hot as Venus. Also Venus has great pressure that life on Venus will not
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Unformatted text preview: be able to take. 2. How do plants increase the viability of life on Earth? Plant increase the viability of life on Earth by creating and releasing oxygen. The oxygen produced and released is what lifeforms use to continue living. 3. Are volcanoes present throughout the terrestrial planets? Why or why not? Volcanoes are present throughout the terrestrial planets. The reason is the pressure built up in the outer core and the pressure pushes the molten core onto the surface. 4. What are the characteristics of the inner planets? How do these vary from the outer planets? Inner planets have cores made of iron and are surrounded by silica. Outer planets are made of gas and are surrounded by ice. 5. What evidence is there to support that planets exist outside of our Solar System? Scientists have studied stars before they are stars, in their nebulae formation. This would lead scientists/astronomers to draw conclusions that there are other planets outside our Solar System....
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  • Spring '19
  • Sharinda Coltrin

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