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"!___FC ASTRONOMY 2
| Question | Answer |
|---|---|
| In what year was the First probe to leave the solar system (Voyager 1). | 2014 |
| In what year was the First man to walk on the moon (Apollo 11). | 1969 |
| In what year was the First man in space (Vostok 1). | 1961 |
| In what year was the 1st Landing of theSpace shuttle program (USA). | 1981 |
| In what year was the Hubble space telescope (USA). | 1990 |
| What tool do astronomers use to study the elements in a star? | spectrograph |
| What are advantages to using a space based telescope? | No atmospheric distortion, No light pollution, No absorption of radiation (light) by the ozone layer or water vapor |
| What type of evidence have we collected from the moon in order to learn more about it? | Rocks, Seismometer readings, Analyzing ejecta from impacts |
| What is the main gas in our sun? | hydrogen |
| What process is converting the main gas into a secondary gas? | fusion |
| What gas does the process of fusion convert the hydrogen change into? | helium |
| What is the current theory for formation of the sun and solar system? | solar nebular theory |
| Explain the process of the solar nebular theory. | Spinning gas and dust from the explosion of a red giant forms spinning layers that ultimately become a sun and solar system. |
| What 2 characteristics of a star will determine its absolute magnitude or brightness? | size and temperature |
| Which color indicates the hottest star temperature? | blue |
| What characteristic determines how long a star will last and how it’s life will develop? | mass |
| Looking at Main Sequence stars on the HR diagram, a blue giant star is ________ than our Sun. | brighter and hotter |
| What type of star will end its life as a black dwarf? | Low Mass Stars |
| What is graphed on an H-R Diagram? | temperature and brightness (luminosity) |
| What type of star can end its life as either a black hole or a neutron star? | Large Mass Stars |
| What type of galaxy is the Milky Way? | spiral |
| What are 2 pieces of evidence that support the theory of the Big Bang? | Red Galaxy Shift and Cosmic Background Radiation |
| What is the approximate age of the Universe? | 14 billion |
| What is potentially at the center of all galaxies? | black holes |
| Where does all the matter in the Solar System come from? | the explosion of former stars |
| List problems that make inter planetary travel difficult either within the solar system or beyond. | water, difficulty bringing supplies like water and food, cost, fuel limitations, time |
Created by:
tbfreema
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