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
OlgaM077 [116]
3 years ago
10

Why do we use the hydrogen spectrum to identify if a star is red or blue shifted? *

Physics
1 answer:
Lady_Fox [76]3 years ago
6 0

Answer:

But if you place a clear container filled with hydrogen gas between the flashlight and the prism, gaps appear in the smooth rainbow of colors, places where the light literally goes missing. The dark absorption lines of a star at rest (left) get shifted towards red if the star is moving away from Earth (right)

Explanation:

You might be interested in
How will you join three resistances, each of 2 ohm so that the effective resistance is 3 ohm?
svet-max [94.6K]
First I will parallel two of the resistors, creating a net 1 ohm. Then I will series that with the remaining 2-ohm resistor, resulting in 3 ohms.
5 0
3 years ago
Use the information to answer the following question.
Nostrana [21]

Answer:

The answer is B. :)

Explanation:

5 0
3 years ago
A car drives 23m/s east for 35 seconds. What is the displacement?
Lina20 [59]

Answer:

805m

Explanation:

Speed = displacement/time

Speed = 23m/s

Time = 35s

Displacement = speed × time

= 23 × 35

= 805m

5 0
3 years ago
Me pueden ayudar.porfisssss
elixir [45]

Answer:

Plz translate in english so that i can answer

8 0
3 years ago
What pattern is seen on the moon from earth?
igomit [66]

If you mean pattern designs it’s rocky bumpy and you can see the circle patterns

If you mean phases the here’s a picture

7 0
2 years ago
Other questions:
  • How are evaporation and sublimation similar?
    12·2 answers
  • This is physics class, plzzz help ! 86.72 m to cm
    6·1 answer
  • Which of the following elements are non-reactive because their outer electron energy levels are full?
    9·1 answer
  • Is a person believes that dreams have hidden meaning how or she would agree with Freud's ideas about _ content?
    5·2 answers
  • Which separation method would be most successful in separating the components of a homogeneous mixture? screening evaporation ce
    6·2 answers
  • A shotgun of mass 3kg fires a bullet of 0.1kg at a velocity of 250m/s. What is the recoil velocity of the gun
    5·1 answer
  • A.
    15·2 answers
  • ****PLEASE HELP**** THERE ARE TWO QUESTIONS (ITS EASY)
    13·1 answer
  • 35) Kinetic energy in flowing water drives
    11·1 answer
  • A train accelerates from rest and covers a distance of 600m in 20s. What is the train's speed at the end of 20s? What is the fin
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!