Earnest Parenting.com logo

Encouraging Heroes. You can be one too.

Building a Better Student: Standard Candle

by | Dec 15, 2014 | Education

How do you measure the distance to a star that’s millions of light years away? Astronomers sometimes use a form of measurement that relies on the brightness (or luminosity) of particular types of stars. It’s known as a standard candle. The whole system relies on...