Science – Space Science – Light Year
Posted July 3, 2016on:
This Raya holiday, let’s learn something about space science. Let’s start with “LIGHT-YEAR”.
- Light-year is a measurement of ___________.
- Light travels in _________ km/second in one year.
- The closest star to Earth is ___________.
- The second closest star to Earth is ______________. And it is 4.24 light-year away.