Astronomy
Astronomy
View This Week’s Sky at a Glance:
http://www.skyandtelescope.com/observing/ataglance
Spring evening sky highlights
http://www.bbc.co.uk/science/space/universe/collections/the_night_sky_spring_summer#p00jxnlh
Measuring the brightness of the sky
Excellent Introduction
http://www.uwgb.edu/dutchs/astronnotes/findingway.htm
The Stars of Spring
As winter fades and spring arrives the stars in our evening sky change and new stars, not seen over the winter, make a reappearance.
Two of those stars are Arcturus, in the constellation of Bootes, and Spica, in Virgo, both of which will become early evening objects in April (in early March Spica doesn’t rise until 2130, three hours after sunset).
Spica, or the “ear of wheat” is held by Virgo the Virgin, and its presence in the evening sky has long been used by ancient astronomers as an indication that spring is coming. continue….
http://darkskydiary.wordpress.com/2011/03/05/the-stars-of-spring/
Stars in the Solar System
Arcturus,
a red giant, looks orange to the eye. It is the brightest star on the northern half of Earth’s sky dome. Arcturus is especially noteworthy for its large proper motion, or sideways motion across our sky.
http://earthsky.org/brightest-stars/bright-orange-arcturus-use-the-big-dipper-to-find-it
Arcturus: Facts About the ‘Bear Guard’ Star
http://www.space.com/22842-arcturus.html
How to Find Spica Star in the Sky
Scouts and stargazers remember this trick with the saying: Follow the arc to Arcturus, and speed on to Spica.
http://earthsky.org/brightest-stars/speed-on-to-spica-the-15th-brightest-star
Spica 2014 in March and April
http://www.surveyor.in-berlin.de/himmel/sky.14.03.html
Spica History and Facts – a lot of information
Spica rises just as the Sun sets in early April, about an hour after Arcturus has risen.
http://www.souledout.org/cosmology/highlights/spicahighlights/spicahighlights.html
Find your birthday’s planetary alignment
http://www.fourmilab.ch/cgi-bin/Solar
Astronomy Lessons
http://osr.org/articles/great-space-and-astronomy-lesson-plan-ideas/
sky events for 2014
http://www.astronomy-world.com/2014-sky-events.html
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