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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...

Introduction to the Hertzsprung-Russell Diagram

www.atnf.csiro.au/outreach/education/senior/astrophysics/stellarevolution_hrintro.html

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 ...

Hertzsprung-Russell Diagram | COSMOS

astronomy.swin.edu.au/cosmos/h/hertzsprung-russell diagram

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  ...

Interactive HR diagram

lcogt.net/files/flash/hr-diagram/main.html

Downloading app...

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.

Hertzsprung-Russell Diagram Explorer - UNL Astronomy

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

Size Comparison. a. HR Diagram. Cursor Properties. temperature: K. 5800. 123456789.0eE-+. label and unit. luminosity: L. 1.0. 1.00. 0.001 R. 0.01 R. 0.1 R. 1 R.

Hertzsprung-Russell Diagram - NAAP - UNL Astronomy

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

The NAAP HR Diagram Lab explores the Hertzsprung-Russell diagram and those areas necessary to understand the diagram such as (but not limited to) the  ...

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.

An H-R Diagram of the Brightest Stars - SkyServer - SDSS

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

Once you know the luminosity and temperature (or color) of a star, you can plot the star as a point on the H-R diagram. Plot the luminosity on the y-axis with ...

The H-R Diagram - Introduction - SkyServer - SDSS

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

To make an H-R diagram, you must look at many stars. But for each star, you need to measure only two quantities: luminosity and temperature. You can't directly ...

More Info

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 ...

HR Diagram

abyss.uoregon.edu

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 ...