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Spica Star. By: Katie Weitzel. 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. Size. * Solar mass is a standard way to express mass in astronomy. . Did you know….

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spica star

Spica Star

By: Katie Weitzel


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*.


Diameter: 1,391,980km

Mass: 1 solar mass.


* Solar mass is a standard way to express mass in astronomy.

did you know
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.

Spica’s temperature is 22,400/18,500 Kelvin

The Sun’s temperature is 5,778 Kelvin


Spica is a Blue Giant


The Sun is yellow

distance from the sun
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 know1
Did you know…

That Spica is 2,300 times brighter then our sun?


Spica is located in the constellation Virgo. Spica is the brightest star in Virgo.


the story of virgo
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 know2
Did you know..

That Spica is the 16th brightest star in the night sky?


Spica was born from a Nebula and will die a Neutron star.

did you know3
Did you know…

That Venus just passed Spica on November 3rd?


Spica is now in the stage labeled Massive Star.


did you know4
Did you know…

That Venus passed Spica on November 3rd 2009?



The sizes are not correct, Spica is much bigger than Venus

  • http://en.wikipedia.org/wiki/Spica#Characteristics
  • http://images.google.com/images?hl=en&source=hp&q=spica%20constellation&um=1&ie=UTF-8&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
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  • 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