( ! ) Notice: session_start() [function.session-start]: Server 127.0.0.1 (tcp 21201) failed with: Failed reading line from stream (0) in /var/www/html/refdesk/app/control/session.php5 on line 21
Call Stack
#	Time	Memory	Function	Location
1	0.0010	165672	{main}( )	../viewer.php5:0
2	0.0021	215632	include_once( '/var/www/html/refdesk/config/standardIncludes.php5' )	../viewer.php5:2
3	0.0573	4111736	include_once( '/var/www/html/refdesk/app/control/session.php5' )	../standardIncludes.php5:98
4	0.0591	4271320	session_start ( )	../session.php5:21

( ! ) Notice: session_start() [function.session-start]: Server 127.0.0.1 (tcp 21201) failed with: Failed reading line from stream (0) in /var/www/html/refdesk/app/control/session.php5 on line 21

Call Stack

Time

Memory

Function

Location

0.0010

165672

{main}( )

../viewer.php5:0

0.0021

215632

include_once( '/var/www/html/refdesk/config/standardIncludes.php5' )

../viewer.php5:2

0.0573

4111736

include_once( '/var/www/html/refdesk/app/control/session.php5' )

../standardIncludes.php5:98

0.0591

4271320

session_start ( )

../session.php5:21

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Software - Blackbody Spectrum Viewer

Click on Blackbody Spectrum Viewer to open a window with an applet designed to show blackbody spectra with different representations.

This alternate version uses the same technique to show the appearance of a star of a given temperature, radius, and distance from the Earth.

Click on Blackbody Spectrum - Photometry to open a window with an applet designed to compare a blackbody spectrum for a star with a given temperature, size, and distance to astronomical data.