This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Neutral hydrogen can be detected because its electron occasionally ________ its spin and creates the ... (Read 21 times)

justinmsk

  • Hero Member
  • *****
  • Posts: 524
on: Jul 27, 2018
Neutral hydrogen can be detected because its electron occasionally ________ its spin and creates the 21-cm emission line for radio observers.
 
  Fill in the blank(s) with correct word

Question 2

The one term of the Drake equation whose value remains completely unknown is the average lifetime of a technological civilization.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vickybb89

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 27, 2018
Answer to Question 1

flips or switches or reverses

Answer to Question 2

TRUE


justinmsk

  • Member
  • Posts: 524
Reply 2 on: Jul 27, 2018
Wow, this really help

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

electron microscope image of a pyralidae moth electron microscope image of a pyralidae moth
Hydrogen Molecule Hydrogen Molecule
Chromosomes as captured via electron micrograph Chromosomes as captured via electron micrograph
The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ... The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ...
The WISER entry for hydrogen cyanide (bottom). Useful information includes detailed health ... The WISER entry for hydrogen cyanide (bottom). Useful information includes detailed health ...
Combustion analysis of 0.150 g of an unknown compound containing carbon, hydrogen, and oxygen ... Combustion analysis of 0.150 g of an unknown compound containing carbon, hydrogen, and oxygen ...
Video: Arthritis

For a complete list of videos, visit our video library