How was the sun appear from a distance of 10 parsecs - It would look like one of the faint stars in the
handle of the little dipper
what event in 1957 promoted the formation of NASA - The launch of the satellite sputnik by the
Russians
How many Americans have walked on the moon - 12
What was the main reason given by President Obama for not returning to the moon? - We have already
been there.
What important finding of the Columbia accident board was first followed by NASA than later ignored? -
Cargo and cruise ship should be on different Rockets
Who was president when the space shuttle first flew and when challenger was lost? - Ronald W. Reagan
, Which types of stars would be plotted in the area labeled see on the HR diagram shown above? - Main
sequence
Assuming that each of the following star is on the main sequence which has the greatest luminosity - B
type
Assuming that each of the following stars is on the main sequence which has the lowest temperature -
M type
Which spectral type has absorption line due to ionized helium - O type
How far does the moon fall in one second - 1/20 of an inch
Five steps on the magnitude scale corresponds to a change in brightness by a factor of - 100 times
If the distance between two objects is increased by three times what happens to the strength of gravity
- The force increases by 9 times
Who proposed mars direct - Robert Zubrin
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