What is a light-year? (ONE MINUTE EXPLANATION)
The speed of light, its measurement, and the concept of light-years are concepts that many people don't quite understand. That's why at CLEAR SKIES we've taken on the challenge of explaining this seemingly complicated topic IN ONE MINUTE!
Did you know that NOTHING we see in the Universe happens in real time? And why does the Sun appear larger than other stars? Is a light-year a unit of measurement? And if so, how long is a light-year?
Discover the implications of viewing the light from the most distant stars through a telescope.
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NOW WITH ENGLISH SUBTITLES!
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More information:
http://ciencias.jornada.com.mx/invest...
http://spaceplace.nasa.gov/review/dr-...
http://bibliotecadigital.ilce.edu.mx/...
The music for this episode was composed by Federico González (Fretz/Mx). / fretzmx