What Is Called Outer Space?

What Is Called Outer Space? : space immediately outside the earth’s atmosphere broadly : interplanetary or interstellar space. What is known as outer space? Outer space, also simply called space, refers to the relatively empty regions of the universe outside the atmospheres of celestial bodies. Outer space is used to distinguish it from airspace (and

Do Terrestrial Planets Have Hydrogen And Helium?

Do Terrestrial Planets Have Hydrogen And Helium? Do terrestrial planets have hydrogen and helium? The terrestrial planets are rich in heavier gases and gaseous compounds, such as carbon dioxide, nitrogen, oxygen, ozone, and argon. In contrast, the gas giant atmospheres are composed mostly of hydrogen and helium. The atmospheres of at least the inner planets