Download Gliese 229B

Light travels at 186,000 miles per
second.
A light year is
about 9.5 trillion
kilometers or 5.88
trillion miles.
A light-year is the
distance that light travels
in one year.
Multiply the number of
seconds in one year by the
number of kilometers (or
miles) that light travels in one
second, and the result is a
light -year.
What does “B” mean?
What is Gliese 229B?
What is a Brown and Red Dwarf?
Claim to Fame:
Just for fun!
How does it shine?
Time to watch stuff happen.
Gliese is 1/100,000 of the
sun's luminosity and 20 to
50 times the mass of
Jupiter.
It is below the
constellation
Orion.
Lepus is visible at
latitudes between +63°
and −90°.
This star is only visible in large
telescopes. You can see it best in
January through March.
Sources:
http://www.windows2universe.org/the_universe/gliese229.html
http://www.definitions.net/definition/binary
http://hubblesite.org/newscenter/archive/releases/1995/48
http://earthsky.org/astronomy-essentials/how-far-is-a-light-year
http://www2.le.ac.uk/departments/physics/research/xroa/astrophy
sics-1/red-and-brown-dwarfs