Moon
THE MOON 1. Our Spaceflight Begins ——————————————————————————– Imagine it’s the year 2030. From a spaceport near your home town, we’ve flown in a rocket-powered space plane hundreds of miles above the Earth. .. read more.
About Sun
The Birth and Death of the Sun ——————————————————————————– It’s hard to imagine that the Sun has not always been the way it is today. Yet there was time, in the distant past, .. read more.
Minerals and Gems
Minerals and Gems Minerals are solid, inorganic (not living) substances that are found in and on earth. Most are chemical compounds, which means they are made up of two or more elements. .. read more.
Science Discoveries
Try to imagine life without antibiotics. We wouldn’t live nearly as long as we do without them. Here’s a look at some discoveries that have changed the world. It’s impossible to rank .. read more.
The Sun
Questions and Answers ——————————————————————————– Q. How many times brighter is the Sun than the full moon? A. About 600,000 times. Q. How long does it take light to go from the Sun .. read more.
