PSCI 21 Exam Questions with Correct Answers
The sun is plotted near the middle of the HR diagram - Answer-True
Suppose a star has an absolute magnitude of 2.47 and an apparent magnitude of 7.47 how far away is the star in parsecs - Answer-100
I need typical HR diagram 90% of the stars are - ...
PSCI 21 Exam Questions with Correct
Answers
The sun is plotted near the middle of the HR diagram - Answer-True
Suppose a star has an absolute magnitude of 2.47 and an apparent magnitude of 7.47
how far away is the star in parsecs - Answer-100
I need typical HR diagram 90% of the stars are - Answer-Main sequence
In about 5 billion years of sun will - Answer-Turn into a red giant
The sun has an absolute magnitude of 4.86. And the Star Sirius has an absolute
magnitude of 1.42. Determine the luminosity ratio: Lsirius\Lsun - Answer-23.8
On the main sequence stars obtain their energy - Answer-By converting hydrogen into
helium through nuclear reactions
Which telescopic discovery by Galileo proved that the politics system could not be
correct? - Answer-Phases of Venus
Which telescopic Discovery by the little show that the universe can have more than one
center - Answer-The moon of Jupiter
Where on the HR diagram would you party started Alex extremely luminous but cool -
Answer-Upper right corner
What happened to President Obama's idea of humans visiting on an astroid by 2025 -
Answer-The idea morphed into an astroid retrieval mission by robot followed by a visit
by humans but was later abandon
What part of Galileo's book called Pope urban VIII to get upset - Answer-Simplicio go
claim that we will never really know the universe because it could look one way but
really another
Suppose that a star is 20 per six away determine at Parallax angle - Answer-50 mas
What important contribution was made by George Meuller - Answer-He ordered all- up
the testing of Saturn V.
Space policy direct number one ordered NASA to - Answer-Focus on human spaceflight
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