January 24, 2019

How old is the universe?

According to research, the universe is approximately 13.7 billion years old. Hubble has helped to measure the age of the universe using two different methods. The […]
January 24, 2019

How do we know what the Milky Way looks like?

Actually, we don’t know for sure – no more than a bacteria deep inside your belly knows your hair color or shoe size. But unlike bacteria, […]
January 23, 2019

Why is sunlight bad for me?

A little bit of sun goes a long way. Sunlight contains invisible ultraviolet (UV) rays that can damage your skin, causing it to burn or wrinkle, […]
January 23, 2019

Why is sunlight good for me?

A sunny day can do more than just raise your spirits – it can make you healthier! Your body converts sunlight into vitamin D, a vital […]