Guide to Space
Transit
[/caption] Although the word "transit" can have many meanings, here on Universe Today, we're talking about astronomical transits. This is…
What Are Tornadoes?
Also known as a twister, a tornado is a rotating column of air that can cause a tremendous amount of…
Terminator
[/caption] No, this isn't a movie about robots. The terminator is the line that separates day from night on an…
What Is Terminal Velocity?
The higher you are when you jump, the more it hurts when you hit the ground. That's because the Earth's…
What Is Mechanical Energy
[/caption] The straight forward answer to 'what is mechanical energy' is that it is the sum of energy in a…
What Is Lithosphere
[/caption] Every rocky planet has a lithosphere, but what is lithosphere? It is the rigid outermost shell of a rocky…
What Is Light Energy
[/caption] Just asking 'what is light energy' opens you up to a flood of other questions trying to narrow down…
Spacecraft
[/caption] When a vehicle or robot is designed to leave the Earth's atmosphere and travel through space, we call that…
Voyager 2
[/caption] Voyager 2 is easily the most famous spacecraft sent from Earth to explore other planets. Launched on August 20,…
What Is Atomic Mass
[/caption] The answer to 'what is atomic mass' is this: the total mass of the protons, neutrons, and electrons in…