The Greek astronomer who assigned the stars to six magnitudes was named _____________

Author Question: The Greek astronomer who assigned the stars to six magnitudes was named ______________. Fill in the ... (Read 95 times)

sammy

Hero Member
Posts: 818

on: Jul 28, 2018

The Greek astronomer who assigned the stars to six magnitudes was named ______________.
Fill in the blank(s) with correct word

Question 2

When the energy state of an atom changes by E, the frequency of the photon emitted or absorbed is calculated by dividing E by ______________.
Fill in the blank(s) with correct word

jxjsniuniu

Sr. Member
Posts: 343

Reply #1 on: Jul 28, 2018

Answer to Question 1

Hipparchus

Answer to Question 2

h, or Planck's constant

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sammy

Hero Member
Posts: 818

Reply #2 on: Jul 28, 2018

Thanks

jxjsniuniu

Sr. Member
Posts: 343

Reply #3 on: Jul 28, 2018

Welcome

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