1. The EARTH is 93 Million Miles from the SUN.

2. Distances in our Solar System are measured in ASTRONOMICAL UNITS (AU).

3. A LIGHT YEAR IS THE DISTANCE LIGHT TRAVELS IN ONE YEAR!!!
LIGHT YEARS
distance!!!
IS A MEASURE OF
A LIGHT YEAR IS THE DISTANCE
LIGHT TRAVELS IN ONE YEAR!!!

4. Scientist use LIGHT YEARS because STARS are too far away from each other to use…
feet
feet
meters
inches
kilometers
astronomical
units
miles

5. One LIGHT YEAR is 10,000,000,000,000,000 meters or 16 10 X 10 meters
Five Light Years = 5 x 1016 meters

6. It takes 43 (human) years for the light from this star to reach earth!
43 Light Years from EARTH
It takes 43 (human) years for the light from this star to reach earth!
By the time you see the light 43 years have passed.
The light was created before most of your parents were born.