EXPLORING OUR UNIVERSE STARS LAUREN KUKLA Checkerboard Library An Imprint of Abdo Publishing abdopublishing com
MISSION EXPLORING SIRIUS On a clear night you can see more than 2 000 twinkling stars You might also see a bright glowing band This band is our home galaxy the Milky Way There are so many stars there they look like a single glowing streak Bright Light Some stars are brighter than others But that doesn't mean they're closer to us Barnard's Star is about 12 trillion miles 19 trillion km from Earth It is very dim Sirius is the brightest star in the night sky But it is more than 51 trillion miles 82 trillion km away More than Meets the Eye From Earth stars seem like tiny specks But they are larger than they appear Our star the sun is 100 times wider than Earth Other stars are much larger
There are about 300 billion stars in the Milky Way galaxy A Long Journey Looking at stars is like looking back in time It takes many years for a star's light to reach Earth What were you doing eight and a half years ago That was when the light you see left Sirius
