Transcript Sirius Star1 - Emmi

SIRIUS STAR
Drew Manson
Distance from the sun
 From the sun, it is at a distance of 2.6 parsecs
(8.6 light-years). This is about 5 x 1013 miles.
Life cycle
 Sirius’s life cycle states that it was born as a
medium size star, will turn into a red giant,
supernova, and become a neutron star or
white dwarf. It is currently in the medium star
stage. It will die by supernova.
Constellation
 Sirius is in the Canis Major constellation.
Canis major represented either a two-headed
dog, a dog that was a gift from Zeus to
Europa, or Orion’s hunting dog, helping him
to fight Taurus.
H-R Diagram
<<<<<<<<<<<<
Temperature
 Sirius: 9600 Kelvins
 Sun: 5778 Kelvins
Color
 Sirius is blue
 The Sun is yellow
Size/mass
>>>>>>>>
It has about 2.1 times
more mass than the
sun, and it’s about
1.71 times bigger than
the sun. (the picture
may be wrong)
The sun has a diameter of
1,391,980 kilometers
Sirius has a diameter of 1.8 times that of the sun
(2,505,564 kilometers)
Brightness
 Sirius is the brightest star in the night sky as
seen from Earth other than the sun.
Brightness is different than luminosity.
Bibliography
 Thanks to wikipedia for: constellation info,
birghtness,
 Thanks to
http://fanfiction.mugglenet.com/viewuser.ph
p?uid=6811 for the title picture
 Thanks to
http://outreach.atnf.csiro.au/education/senior
/astrophysics/stellarevolution_hrintro.html
for the H-R diagram
Bibliography Continued
 Thanks to
http://www.kiroastro.com/images/perspectiv
e/sun2.jpg for the size picture and info
 Thanks to
http://wiki.answers.com/Q/How_far_is_Sirius
for the distance info
 Thanks to
http://domeofthesky.com/clicks/sirius.html
for the temperature info
More Bibliography
 Thanks to:
http://library.thinkquest.org/C0110277/stars/li
fe_cycle1.htm for the life cycle info
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