Why Are Rain Forests so Called?
A rain forest can be described as a tall, dense jungle. The climate of a rain forest is very hot and humid so the…
Tag
Earth
What Makes the Wind?
Wind is the movement of air across the surface of the earth, caused by warm air rising and being replaced by cooler air. Except…
When Does Sheet Lightning Occur?
Sheet lightning usually occurs during a storm as the result of a discharge of excess electricity within a single thundercloud. The outline is obscured…
What Is Twilight?
Twilight is the faint light which appears a little before sunrise and again after sunset before it gets really dark. On the Moon there…
When Was the First Interstellar Radio Message Sent?
The Arecibo Message, humankind’s first interstellar radio message, sent from the Arecibo Observatory in Puerto Rico in 1974, is a three-minute message of exactly…