Slide1 l.jpg
This presentation is the property of its rightful owner.
Sponsored Links
1 / 12

Region in the Constellation Orion named the Orion Nebula which is the closest star formation region to us. PowerPoint PPT Presentation


Region in the Constellation Orion named the Orion Nebula which is the closest star formation region to us. Jets and disks appear to be part of the star birth process.

Related searches for Region in the Constellation Orion named the Orion Nebula which is the closest star formation region to us.

Download Presentation

Region in the Constellation Orion named the Orion Nebula which is the closest star formation region to us.

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Slide1 l.jpg

Region in the Constellation Orion named the Orion Nebula which is the closest star formation region to us.

Jets and disks appear to be part of the star birth process


Slide2 l.jpg

The interstellar medium is the region between the stars. It is composed of gas and dust that ultimately are the raw materials from which stars and planetary systems are made.

This wide angle photograph of our milky way galaxy shows dark dust lanes cutting through the plane of our galaxy.


Slide3 l.jpg

Astronomers can determine what the interstellar material is made of, its temperature, and velocity by observing the absorption lines produce when starlight passes through the clouds of material.

Blue light is also scattered more easily than red so the red light makes it through better, thus objects appear reddened.


Slide4 l.jpg

The clouds and dust of the interstellar medium tend to be cold and thin by our standards. Average temperature is 100 K with an average density of one atom per cm3.

On average there is one dust particle for every trillion atoms.


Slide5 l.jpg

Emission Nebula


Slide6 l.jpg

Dark Nebula


Slide7 l.jpg

21 centimeter radiation is produced when the spins of the electron and proton flip in a Hydrogen atom.

Radio astronomers can thus map out the distribution of Hydrogen throughout the galaxy


Slide8 l.jpg

Star formation take about 10 million years


Slide9 l.jpg

The emission part of the star formation region is only a small part of the giant cloud.


Slide10 l.jpg

The Orion Nebula


Slide11 l.jpg

More Orion

Individual stars forming in density fingers


  • Login