1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Wewaii [24]
3 years ago
11

The spectrum of galaxy A and galaxy B both contain the H-alpha emission line, which is normally seen at 653nm. However, in galax

y A the line has an observed wavelength of 710nm, whereas in galaxy B the wavelength is 685nm. Which galaxy is farther away?
Geography
1 answer:
kkurt [141]3 years ago
5 0

Answer: Galaxy A is farther away since it has a wavelength of 710nm as compared to Galaxy B with a wavelength of 685nm nearest to H-alpha emission line with wavelength 653nm.

You might be interested in
WHAT ARE THE CAUSES OF ENVIRONMENTAL POLLUTION?
Nostrana [21]

Answer:

⭐Causes of environmental pollution

Urbanization and industrialization. Since the era of industrial revolution, man has continued to introduce hazardous materials into the environment at an alarming rate. ...

⭐Mining and exploration. ...

⭐Agricultural activities. ...

⭐Burning of fossil fuels. ...

⭐Particulate matter. ...

⭐Plastics.

7 0
2 years ago
Read 2 more answers
Read the sentences.. . Wind can create alterations in the surface layers of rock. Wind is one cause of erosion.. . Which of thes
Ivanshal [37]
An appositive is a phrase or a word that renames a noun right beside it. Among the choices listed, the best answer is option C. <span>One cause of erosion, wind, can create alterations in the surface layers of rock. Erosion here renames wind.</span>
7 0
3 years ago
Read 2 more answers
The Great Barrier Reef is the largest coral reef in the world. Why is this reef so important?
Delvig [45]
The Great Barrier Reef is the world's largest living structure. It is made up of around 2900 individual reefs and 900 islands. ... Climate change is perhaps the biggest threat to the Great Barrier Reef. Warmer ocean temperatures put stress on coral and lead to coral bleaching.
4 0
3 years ago
¿ cual es el pais mas grande del mundo ?
Dimas [21]
Russia




con 6.6 million de personas
6 0
3 years ago
________is a part of molten rock at mid-ocean ridges. The choices are:. seafloor spreading. continental drift. magnetic reversal
qwelly [4]
The correct answer among the choices presented above is the fourth option. Magnetic minerals are a part of molten rock at mid-ocean ridges. Examples are chromite, magnetite, limenite and ferberite. Hope this answers the question.
8 0
3 years ago
Read 2 more answers
Other questions:
  • Sneak attack against the U.S. naval base in Hawaii by the empire of japan on December 7, 1941
    5·1 answer
  • The disks of spiral galaxies appear blue because
    13·1 answer
  • 11. What causes the steep slopes of stratovolcanoes (composite cones)?
    15·1 answer
  • Please help, I'm using all my points. Use picture attached.
    10·1 answer
  • Germany accused Czechoslovakia of abusing Russians in the 1930s.<br><br><br> True<br> False
    14·1 answer
  • QUESTION 18<br> Most stream valleys have a V shaped cross section because
    14·1 answer
  • How many different climate zones does South Asia have
    15·1 answer
  • Horizontal variations in air pressure cause a force which makes the wind blow. These pressure variations are caused by a. warm t
    15·1 answer
  • Where did many surviving European Jewish people resettle after World War II?
    8·1 answer
  • In what ways does Islam play a central role in the daily lives of many Southwest Asians?​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!