[Answered] 21-cm radio waves allow us to map the distribution of hydrogen in spiral arms on the opposite side ...

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Author Question: 21-cm radio waves allow us to map the distribution of hydrogen in spiral arms on the opposite side ... (Read 58 times)

tiffannnnyyyyyy

Hero Member
Posts: 512

on: Jul 27, 2018

21-cm radio waves allow us to map the distribution of hydrogen in spiral arms on the opposite side of the Galaxy.

Indicate whether the statement is true or false

Question 2

Name the four types of reflector designs.

What will be an ideal response?

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Marked as best answer by a Subject Expert

bfulkerson77

Sr. Member
Posts: 331

Reply #1 on: Jul 27, 2018

Answer to Question 1

TRUE

Answer to Question 2

prime focus, Newtonian, Cassegrain, and Coude

tiffannnnyyyyyy

Member
Posts: 512

Reply 2 on: Jul 27, 2018

Great answer, keep it coming

carlsona147

Member
Posts: 341

Reply 3 on: Yesterday

YES! Correct, THANKS for helping me on my review

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