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Spica Star
By: Katie Weitzel
Size
Spica:
• Spica’s diameter is 7.34
times more then the
sun’s diameter
(1,217,133.2 km).
• The mass of Spica is
11/7 solar masses*.
Sun:
• Diameter: 1,391,980km
• Mass: 1 solar mass.
* Solar mass is a standard way to express mass in astronomy.
Did you know…
That Spica is a double star? But they are so close
together that when you look in the night sky
they look like one star.
Temperature
Spica’s temperature is
22,400/18,500 Kelvin
The Sun’s temperature is
5,778 Kelvin
Color
Spica:
Sun:
• Spica is a Blue Giant
• The Sun is yellow
Distance from the sun
Spica is 260 light years away from the sun.
Spica is so bright that even around the city lights
you can still see it in the night sky.
Did you know…
That Spica is 2,300 times brighter then
our sun?
Spica
Virgo
Spica is located in the constellation Virgo. Spica
is the brightest star in Virgo.
Spica
The story of Virgo
There once was a Greek goddess named Demeter who was the Earth goddess. The
daughter of Demeter was Persephone. One day Hades, God of the underworld
asked Persephone to marry him, but Demeter would not stand for this. Still the
two loved each other and one day Hades came and took Persephone with him in
a black chariot drawn by four black horses. Demeter became worried about her
daughter when she did not come back so Demeter started looking for her. After
many days, Demeter finally found her daughter. There was a happy reunion, but
Persephone said she loved Hades. So they made a compromise. Persephone
would spend half her time with Hades in the underworld and the other half in
Olympus with her mother. So in the winter wildlife dies off, then in the spring
when Persephone returns, the cloak of death melts and every thing starts to
grow. In the constellation Virgo, it is usually shown carrying two sheaves of wheat,
marked by the star Spica. That is how Virgo got it’s name, because Virgo means
ear of wheat or corn.
Did you know..
That Spica is the 16th brightest star in the night
sky?
Birth
Spica was born from a Nebula and will die a
Neutron star.
Did you know…
That Venus just passed Spica on November 3rd?
Spica is now in the stage labeled
Massive Star.
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Did you know…
That Venus passed Spica on November 3rd 2009?
Spica
Venus
The sizes are not correct, Spica is much bigger than Venus
Bibliography
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http://en.wikipedia.org/wiki/Spica#Characteristics
http://images.google.com/images?hl=en&source=hp&q=spica%20constellation&um=1&ie=UTF8&sa=N&tab=wi&safe=active
http://en.wikipedia.org/wiki/Virgo_%28constellation
http://www.bramboroson.com/astro/images/starsize_compare.gif
http://en.wikipedia.org/wiki/Blue_giant
http://www.astrotheme.fr/images/spica.jpg
http://dictionary.reference.com/browse/luminosity
http://jumk.de/astronomie/big-stars/spica.shtml
http://www.google.com/#hl=en&ei=xwIS7LRCcGxnge9tv3DCw&sa=X&oi=spell&resnum=0&ct=result&cd=1&ved=0CBMQBSgA&q=diameter+of
+spica&spell=1&fp=a50ffc77dda4c0bc
http://www.google.com/search?hl=en&q=how+was+Spica+star+born&aq=f&oq=&aqi=
http://www.google.com/#hl=en&q=mass+of+the+spica+in+solar+masses&aq=f&aqi=&oq=&fp=a50ffc77d
da4c0bc
http://encyclopedia.kids.net.au/page/sp/Spica
http://www.space.com/spacewatch/spica_virgo_040611.html
http://stars.astro.illinois.edu/sow/bright.html
http://www.coldwater.k12.mi.us/lms/planetarium/myth/Virgo.html
http://www.myaquariusvirgo.com/virgo_constellation.php