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Author Question: It is the distribution of ________ atoms in the spiral arms that is measured with 21-cm radio maps. ... (Read 73 times)

yoroshambo

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on: Jul 27, 2018
It is the distribution of ________ atoms in the spiral arms that is measured with 21-cm radio maps.
 
  Fill in the blank(s) with correct word

Question 2

In keeping with its Greek god, Neptune probably contains a lot of water, in a slushy mantle ocean.
 
  Indicate whether the statement is true or false


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AmberC1996

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

hydrogen

Answer to Question 2

TRUE


yoroshambo

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Reply 2 on: Jul 27, 2018
Gracias!

laurnthompson

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Reply 3 on: Yesterday
Wow, this really help

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