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"!___FC ASTRONOMY 2

QuestionAnswer
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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