Determine concept of galaxy travelling toward earth, Physics

Assignment Help:

An astronomer observes that a molecule in a galaxy travelling toward Earth emits light with a wavelength of 514 nm.

The astronomer identifies the molecule as one that actually emits light with a wavelength of 525 nm.

At what velocity is the galaxy moving?

 


Related Discussions:- Determine concept of galaxy travelling toward earth

Short note on waves, Waves: A disturbance that travels by a medium is c...

Waves: A disturbance that travels by a medium is called wave.

Experiment of a simple rotation machine, A simple rotation machine Secu...

A simple rotation machine Secure a breast-drill or hand- drill like as the one shown in the diagram. Clamp a small screw eye or cup hook in the chuck of the drill. Join a 30 cm

What is the static electricity, What is the Static Electricity Have yo...

What is the Static Electricity Have you ever had your hair stand on end after rubbing a balloon on your hair before a birthday party? You have probably experienced static e

Define curie law, Curie law define the magnetic susceptibility of paramagne...

Curie law define the magnetic susceptibility of paramagnetic substances is inversely proportional to the absolute heat i.e.  Where C = Curie constant, T = absolute temperat

Why material in solid state are crystalline, Why material in solid state ar...

Why material in solid state are crystalline Most of the materials in solid state are crystalline. Between these many are in the polycrystalline state. To get single crystal one

Where does centre of gravity and centre of mass differ?, WHERE DOES C.O.G A...

WHERE DOES C.O.G AND C.O.M DIFFER?....GENERALLY BOTH COINCIDES....GIVE EXAMPLE WHERE BOTH DIFFER? Ans) C.O.G and C.O.M mainly coincides at the see-level region.But C.O.G is a va

Doppler effect, Imagine a small observer is positioned in front of the cork...

Imagine a small observer is positioned in front of the cork in your picture above. As the cork approaches, the observer measures the wavelength of the waves passing by. How does th

Explain about the V-i characteristics of constant voltage, Draw and explain...

Draw and explain V-I characteristics of constant voltage and constant current sources. Ans: V-I Characteristics of Constant Voltage Source: A voltage source that has very low

Working of functional units in ultrasonic pulse echo system, Explain about ...

Explain about the working of functional units in ultrasonic pulse echo system. The master timer by the electronic clock triggers the signal pulse generator at ordinary interval

Electron distribution, Electron distribution: The atoms of a solid have...

Electron distribution: The atoms of a solid have electrons rotating in orbits around the positive nucleus. This is true of gases and liquids as well. These orbiting electrons

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd