for example, to enter greek letters, type %name, like %mu, %MU (lower case and capital mu, respectively)
Tuesday, October 25, 2011
manual for entering formulas into open office
http://documentation.openoffice.org/HOW_TO/formula/Formula_HowTo_1_0.pdf
Thursday, October 13, 2011
Monday, October 10, 2011
Saturday, October 8, 2011
Tuesday, October 4, 2011
Cool website with Elemental abundances
http://periodictable.com/Properties/A/UniverseAbundance.v.log.html
Sunday, September 25, 2011
Black Holes, Warped Space, and Magnetic Fields- space.com
Author: Charles Q. Choi, Space.com contributor
Date Written: March 24, 2011
Title: Famous black Hole Sheds New Light on Warped Space, Magnetic Fields
Subject Area: Black Holes, Astroph.
Source Website: http://www.space.com/11222-black-holes-cygnus-warped-space.html
---Summary---
Polarized light reveals evidence of strong magnetic fields near black holes, which have been theorized but not seen. Emission from the first discovered black hole, Cygnus X-1 includes thermal emisson from the 120 million degree C corona as well as another source, identified in this article as synchrotron radiation. Synchrotron radiation is produced by strong magnetic fields. Polarized light is light which vibrates in one direction...
---My Reaction---
This 'sheds some light' on how polarimetry is used, although I did not investigate closely why exactly polarimetry showed this vs. a CCD.
---Questions---
What does it mean for light ot vibrate in one direction?
Date Written: March 24, 2011
Title: Famous black Hole Sheds New Light on Warped Space, Magnetic Fields
Subject Area: Black Holes, Astroph.
Source Website: http://www.space.com/11222-black-holes-cygnus-warped-space.html
---Summary---
Polarized light reveals evidence of strong magnetic fields near black holes, which have been theorized but not seen. Emission from the first discovered black hole, Cygnus X-1 includes thermal emisson from the 120 million degree C corona as well as another source, identified in this article as synchrotron radiation. Synchrotron radiation is produced by strong magnetic fields. Polarized light is light which vibrates in one direction...
---My Reaction---
This 'sheds some light' on how polarimetry is used, although I did not investigate closely why exactly polarimetry showed this vs. a CCD.
---Questions---
What does it mean for light ot vibrate in one direction?
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