elpalomardearriba.blogspot.com
el palomar de arriba: #28.- Una historia con protagonista estelar
http://elpalomardearriba.blogspot.com/2012/03/28-una-historia-con-protagonista.html
Astronomía amateur, telescopios, estrellas dobles, estrellas variables, astrometría, fotometría CCD, y otras cosas que tienen mucho o poco que ver con todo eso. Páginas vistas en total. Miércoles, 14 de marzo de 2012. 28- Una historia con protagonista estelar. M31 V1 es la estrella más importante en la historia de la cosmología". Dave Soderblom, Space Telescope Science Institute (STScI). Baltimore, Md. El GCVS ( General Catalogue of Variable Stars. Puede que se pregunte usted eso. La respuesta es que...
unsansecond.blogspot.com
Unsansecond: Sirius ...
http://unsansecond.blogspot.com/2013/12/sirius.html
Mardi 24 décembre 2013. Sirius est un système binaire. Composé d'une étoile de la séquence principale. Et d'une naine blanche. En bas à gauche), près de 10 000 fois. Moins lumineuse (Image Télescope spatial Hubble. 16 42 58.017. 1,46 / 8,44. 0,05 / -1,04. 0,01 / -0,03. 1 223,14 mas. 379,21 1,58 mas. 8,55 0,04 al. 2,64 0,01 pc. 1,47 / 11,18. 2,12 / 1,03 M. 1,711 / 0,008 R. 26,1 / 0,00024 L. 9 900 / 24 800. Sirius, 9 Canis Majoris. 244 A/B, BD. 16 1591, HR. 157700 A/B, LHS. Principale de la constellation.
en.wikipedia.org
Annie Jump Cannon - Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Annie_Jump_Cannon
From Wikipedia, the free encyclopedia. Annie Jump Cannon in 1922. December 11, 1863. Delaware, U.S. April 13, 1941 ( 1941-04-13. Massachusetts, U.S. American physicist and astronomer. December 11, 1863 April 13, 1941) was an American astronomer. Whose cataloging work was instrumental in the development of contemporary stellar classification. With Edward C. Pickering. She is credited with the creation of the Harvard Classification Scheme. Later life and death. And his second wife, Mary Jump. Cannon was a ...
amsmeteors.org
Meteor FAQs : American Meteor Society
http://www.amsmeteors.org/meteor-showers/meteor-faq
Photos & Videos. 2016 Meteor Shower List. How to photograph meteors with a DSLR. Fireball Tracking System Analysis. What is the difference between a meteor, a meteorite, and a meteoroid? How high up do meteors occur? How big are most meteoroids? How fast do they travel? How many meteors can I expect to see if I go out to observe them when no meteor shower is occurring? What is a meteor shower? Does a shower occur “all at once” or over a period of time? What is a meteor storm, and how often do they occur?