What Is a Solarium?
What Is a Solarium? A solarium may be a sundial. It may also be a terrace, a balcony or a room exposed to the rays of the sun, especially one used for the treatment of...
Read More
Are Days and Nights Getting Longer?
Are Days and Nights Getting Longer? The summer solstice that falls this year on June 21 marks the longest day of the year in the Northern Hemisphere, sunlight-wise....
Read More
What Is an Exoplanet and Why Do Astronomers Have Interest in Them?
What Is an Exoplanet and Why Do Astronomers Have Interest in Them? An exoplanet or extrasolar planet is a planet that orbits a star other than the Sun. To date,...
Read More
What Causes Whirlwinds?
What Causes Whirlwinds? Whirlwinds are caused by the rising of an overheated layer of air close to the ground. Whirlwinds occur when the sun heats the air near the...
Read More
What Is Cold-blooded Animal?
What Is Cold-blooded Animal? Many animals, such as fish, frogs, snakes and lizards, are often called “cold-blooded,” as opposed to...
Read More