What are the northern lights?

What are the northern lights?

What are the northern lights? Aurora Borealis over Iceland, by Moyan Brenn The northern lights, also called aurora borealis, are an

What is the cause of strong winds?

What is the cause of strong winds?

What is the cause of strong winds? Photo: wwwuppertal The wind is simply air in motion, flowing from high atmospheric pressures to low

What are growing degree days?

What are growing degree days?

What are growing degree days? The Growing Degree Day, or GDD, is a heat index that can be used to predict when a crop will reach

Do tides and seiches occur on lakes?

Do tides and seiches occur on lakes?

Do tides and seiches occur on lakes? NOAA Tides are changes in water level caused by the gravitational pull on water by the moon and,

Sun pillar

Sun pillar

Sun pillar Sun pillar at sunrise by CaptPiper The other morning, I saw a column of light above the rising sun — what was that? A