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Author Question: The Galileo probe was deliberately steered into Jupiter's atmosphere, ending its mission. ... (Read 57 times)

TVarnum

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on: Jul 27, 2018
The Galileo probe was deliberately steered into Jupiter's atmosphere, ending its mission.
 
  Indicate whether the statement is true or false

Question 2

Contrast apparent and absolute magnitudes.
 
  What will be an ideal response?


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bulacsom

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Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

The apparent magnitude is how bright it appears to us from Earth, and is determined by both the star's luminosity and distance. But with absolute magnitudes, we negate the distance factor by calculating how bright all the stars would be at a common distance of ten parsecs; this allows us to make direct comparisons of stellar luminosities.


TVarnum

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

laurnthompson

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Reply 3 on: Yesterday
Excellent

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