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
lilavasa [31]
3 years ago
6

All of the following are reasons why astronomers have difficulty looking at distant stars except:

Chemistry
1 answer:
OleMash [197]3 years ago
4 0

Answer:

B. They don't understand how red shift affects stars.

Explanation:

Astronomers face difficulty in observing distant stars because they are so far that they are easily viewed by telescope. Light pollution is major concern in present times . There is very less window present for observation. The dim light from the distance stars also gets distorted due to atmosphere and effects astronomical seeing.

Astronomers are aware about the Doppler effect for light that is the redshift effect on the star light. It is not a difficulty for astronomers.

You might be interested in
Why do we put these three words together in the 'fire triangle'?
bazaltina [42]
The three word of this is to represent what it takes to create and maintain a fire
7 0
3 years ago
What is the oxidation number of tin (Sn) in the compound Na2SnO2? A. -2 B. 0 C. +2 D. +3
Allisa [31]

O.N. of Na = +1

O.N. of O = -2

Let, O.N. of Tin = x

1*2 + x + -2*2 = 0

2+x-4 = 0

x-2 = 0

x = 2

SO OPTION C IS YOUR ANSWER......

7 0
3 years ago
Read 2 more answers
What is heat energy in science ​
Ket [755]

Answer:

Heat energy is the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases. Heat energy can be transferred from one object to another. the transfer or flow from one object to another is called heat.

hopefully this helped :3

4 0
3 years ago
Does gas have its own density
Leokris [45]

Answer:

The identity does not matter because the variables of Boyle's law do not identify the gas.

Explanation:

The ideal gas law confirms that 22.4 L equals 1 mol.

6 0
3 years ago
Read 2 more answers
List 3 Metals in the periodic table.
musickatia [10]
Chromium , silver, zinc...
6 0
2 years ago
Read 2 more answers
Other questions:
  • How many molecules are contained in a 7.20-g sample of dimethylmercury?
    8·2 answers
  • Identify each energy exchange as primarily heat or work and determine whether the sign of δe is positive or negative for the sys
    10·2 answers
  • 2. Which of the following expressions is generally used for solubility? (1 point)
    12·2 answers
  • What is the molarity of a 3.0-liter solution that contains 0.45 moles of solute?
    8·2 answers
  • On.<br> pe. Where is the Hubble telescope located?
    8·2 answers
  • Electrolysis can be used for all of the following, except A. separating metals from ores. B. plating objects with metal coatings
    9·1 answer
  • What are the non-living components of an ecosystem? The non-living components of an ecosystem are factors.
    9·2 answers
  • Which statements describe sedimentary rock? Check all that apply,
    7·2 answers
  • What is a species?
    9·1 answer
  • A sample of quartz, which has a specific heat capacity of , is dropped into an insulated container containing of water at and a
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!