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Author Question: One star has a temperature of 30,000 K and another star has a temperature of 6,000 K. Compared to ... (Read 77 times)

jerry coleman

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on: Jul 27, 2018
One star has a temperature of 30,000 K and another star has a temperature of 6,000 K. Compared to the cooler star, how much more energy per second will the hotter star radiate from each square meter of its surface?
 
  a. 5 times
  b. 25 times
  c. 8.1  1017 times
  d. 625 times
  e. 1.3  1015 times

Question 2

Choose the correct word(s) that make the statement true. Say you live in the southern hemisphere and the date is June 22 . For you, fall is ending. Therefore, the June 22nd date is the first day of (spring, summer, fall, winter), an event called the (vernal equinox, summer solstice, autumnal equinox, winter solstice).
 
  What will be an ideal response?


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bubulittle310@msn.cn

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

d

Answer to Question 2

winter, summer solstice


jerry coleman

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

chereeb

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Reply 3 on: Yesterday
Excellent

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