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Hertzsprung–Russell diagram

en.wikipedia.org/wiki/Hertzsprung–Russell_diagram

An HR diagram showing many well known stars in the Milky Way galaxy. HR diagrams for two open clusters, M67 and NGC 188, showing the main-sequence turn-off at different ages. The Hertzsprung–R...

Hertzsprung-Russell Diagram - Aspire

aspire.cosmic-ray.org/Labs/StarLife/hr_diagram.html

In the Hertzsprung-Russell (HR) Diagram, each star is represented by a dot. There are lots of stars out there, so there are lots of dots. The position of each dot on ...

Hertzsprung-Russell Diagram Explorer - UNL Astronomy

astro.unl.edu/naap/hr/animations/hr.html

R. blue giants. Supergiants (I). Instability Strip. Dwarfs (V). red giants. Giants (III). HR Diagram. Component. red dwarfs. star. sun. White Dwarfs. standard slider.

H-R Diagram - Las Cumbres Observatory Global Telescope Network

lcogt.net/spacebook/h-r-diagram/

The most surprising thing about the H-R diagram was that the stars were not randomly scattered on it, but clustered in certain regions and along certain lines.

The H-R Diagram - SkyServer - SDSS

skyserver.sdss.org/dr1/en/proj/advanced/hr/

Find stars in the Sloan Digital Sky Survey's database of 13 million objects. Follow in the footsteps of famous astronomers as you learn how stars live and die.

H-R Diagram Gizmo : Lesson Info : ExploreLearning

www.explorelearning.com/index.cfm?method=cResource.dspDetail&resourceID=429

Screenshot of H-R Diagram Gizmo. A collection of stars visible from Earth can be arranged and classified based on their color, temperature, luminosity, radius, ...

HR Diagram

abyss.uoregon.edu/~js/ast122/lectures/lec11.html

These diagrams, called the Hertzsprung-Russell or HR diagrams, plot luminosity in solar units on the Y axis and stellar temperature on the X axis, as shown ...

www.ask.com/youtube?q=h-r Diagram&v=UIoA1P30HrM
Apr 24, 2012 ... A description of how the HR diagram describes the properties of stars.

HR Diagram - Jim Kaler

stars.astro.illinois.edu/sow/hrd.html

The classical HR diagram, first constructed in 1914 by Henry Norris Russell (to which was added the work of Ejnar Hertzsprung), is a plot of absolute visual ...

H-R Diagram Gizmo : ExploreLearning

www.explorelearning.com/index.cfm?method=cResource.dspView&ResourceID=429

A collection of stars visible from Earth can be arranged and classified based on their color, temperature, luminosity, radius, and mass. This can be done using ...

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Introduction to the Hertzsprung-Russell Diagram

www.atnf.csiro.au

One of the most useful and powerful plots in astrophysics is the Hertzsprung- Russell diagram (hereafter called the H-R diagram). It originated in 1911 when the ...

H-R Diagram

www.astro.cornell.edu

The Hertzsprung-Russell Diagram is a graphical tool that astronomers use to classify stars according to their luminosity, spectral type, color, temperature and ...

Hertzsprung-Russell Diagram | COSMOS

astronomy.swin.edu.au

The Hertzsprung-Russell diagram (HR diagram) is one of the most important tools in the study of stellar evolution. Developed independently in the early 1900s  ...