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Kim's Study Stack
Universe Questions ESPS B2
| Question | Answer |
|---|---|
| What is The Big Bang? | as the universe expanded and cooled energy changed to particles of matter and antimatter. |
| How old is The Universe? | 13.8 billion years old |
| What is CBM? | Cubic Meter |
| What is the difference between apparent brightness/magnitude and absolute brightness/magnitude? | how bright the star appears at a standard distance |
| What is the EM Spectrum? | Electromagnetic spectrum |
| What is Solar Weather? | a solar flare is a release of electromagnetic energy from the sun |
| What are three Kepler Laws? | 1. Orbit 2. Speed and travel 3. Planetary motion |
| How do we know what stars are made of? | what happens with the light from stars is that the light shines through elements in the Stars atmosphere |
| What are the easiest things in space to see and why? | the easiest thing to see in space is the sun, moon, planets, stars |
| what is the process on how all stars are born and die in a cycle? | stars are born, grow up, and eventually die. The exact way that stars change as they age depends on how massive they are at birth |
| what is the difference between the layers of the sun and the layers of the sun's atmosphere? | the atmosphere of the sun is composed of several layers, mainly the photosphere, the chromosphere and the corona. |
| how can we put stars in the Universe into a diagram that can arrange how they are in temperature and brightness? | by using certain colors for each temperature and brightness |
| what is our sun and most stars are made of? | they are made of hydrogen and helium |
| What is redshift | red shit is longer wave lengths |
| What is some evidence of the Big Bang? | the earliest and most direct observational evidence of the validity of the theory are the expansion of the universe according to Hubble's law |
| How do we know if the universe is expanding? | the space in between the galaxies is stretching and the farther away a galaxy is the more space there is to stretch so the faster the galaxy appears to move away from us |
| What did the big bang produce? | hydrogen and helium |
| What is blue shift | blue shift is shorter wave lengths |
| what is the HR Diagram? | scatter plot of stars showing the relationship between the stars |
| What is a light year? | a long distance or great amount in the universe |
Created by:
KimNeal
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