Why is the sky blue?

Why is the sky blue?

When light beams interact with particles suspended in air, the energy can be absorbed or scattered. Scattering causes the light path to More »

What is the dewpoint temperature?

What is the dewpoint temperature?

What is the dewpoint temperature? Dew on evergreens, by Michael Theberge at NOAA Think of a morning when you walked on a grass lawn or

Is global warming real?

Is global warming real?

Is global warming real? Image: NASA Over the past two decades, the global average surface temperature has increased noticeably. This

Why are clouds white?

Why are clouds white?

Why are clouds white? Photograph of Cumulus clouds in fair weather taken by Michael Jastremsk Clouds are made of water and clean water

What is space weather?

What is space weather?

What is space weather? Space weather describes the conditions in space that affect Earth and its technological systems. Space weather

What is a landspout tornado?

What is a landspout tornado?

What is a landspout tornado? Landspout tornado over Hale County in Texas (NOAA). “Landspout” is slang for a tornado that, unlike

How does hail form?

How does hail form?

Hail is precipitation in the form of large balls or lumps of ice that grow in thunderstorms and other severe convective storms. More »

What makes it feel “muggy”?

What makes it feel "muggy”?

Summer days are referred to as “muggy” when they are very warm and humid. The word “muggy” is believed to come from the Middle English More »