What Do We Mean When We Say That The Rotation Curve For A Spiral Galaxy Is "Flat"?
What Do We Mean When We Say That The Rotation Curve For A Spiral Galaxy Is "Flat"?. The rotation curve of a disc galaxy is a plot of the orbital speeds of visible stars or gas in that galaxy versus their radial distance from that galaxy's centre. It does not curve up or down it just follows an undesturbed eliptical pattern.
Do they tell us anything about where the dark matter is located within the galaxy? Answered by guest the direction of the rotation of the galaxy depends on the persons. How do galactic rotation curves suggest the presence of dark matter?
Nnjjjkkkjnj955 Nnjjjkkkjnj955 04/28/2018 Geography High School Answered What Do We Mean.
The things are moving fast in the outer regions, which is generally not expected to be in this form. When we say that spiral galaxies have a flat rotation curve it means,gas clouds orbiting far from the galactic center have approximately the same orbital speed. Yes, they tell us that.
A) The Amount Of Light Emitted By Stars At Different Distances Is About The Same Throughout The.
The flat rotation curves of spiral galaxies tell us that they contain a lot of dark matter. Answered by guest the direction of the rotation of the galaxy depends on the persons. The rotation curve of a disc galaxy (also called a velocity curve) is a plot of the orbital speeds of visible stars or gas in that galaxy versus their radial distance from that.
A) The Amount Of Light Emitted By Stars At Different Distances Is About The Same Throughout The Galaxy.
What do we mean when we say that the rotation curve for a spiral galaxy is flat? It is typically rendered graphically. What do we mean when we say that the rotation curve for a spiral galaxy is flat??
The Rotation Curve Of A Disc Galaxy Is A Plot Of The Orbital Speeds Of Visible Stars Or Gas In That Galaxy Versus Their Radial Distance From That Galaxy's Centre.
It does not curve up or down it just follows an undesturbed eliptical pattern. How do galactic rotation curves suggest the presence of dark matter? The flat rotation curves of spiral galaxies tell us that they contain a lot of dark matter.
6) What Do We Mean When We Say That The Rotation Curve For A Spiral Galaxy Is Flat?
As mentioned above, we see that the rotation curve is flat at the outer regions, i.e. Answer to the first part: A) yes, they tell us.
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