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Planets are Round because of Gravity. A Planet’s Gravity Pulls Equally from All Sides. Gravity Pulls from the Center to the Edges Like the Spokes of a Bicycle Wheel.

The ancient Greeks used simple observations of the Sun to prove the Earth’s roundness and size over 2,000 years ago. But did you ever wonder why planets are round or how do they hold their shape? Gravity causes planets to be round. Gravity pulls equally from all sides of a planet. Like the spokes of …

Planets are Round because of Gravity. A Planet’s Gravity Pulls Equally from All Sides. Gravity Pulls from the Center to the Edges Like the Spokes of a Bicycle Wheel. Read More »

The Karman Line

The Karman Line is the Border Separating the Earth’s Atmosphere from Space. It is Defined as Being 100km Above Sea Level and is Regarded as the Starting Point of Outer Space

The Fédération Aéronautique Internationale (FAI) is the world governing body for air sports and manages definitions regarding human spaceflight. But did you know the same organization also defined the Karman Line? The Karman Line, an imaginary boundary 100 kilometers above mean sea level, is a common definition of space. Once this 100 km line is …

The Karman Line is the Border Separating the Earth’s Atmosphere from Space. It is Defined as Being 100km Above Sea Level and is Regarded as the Starting Point of Outer Space Read More »

Who was the First Person to Float Freely in Space?

Although he was most known for a NASA photograph depicting him soaring unrestrained in space, Bruce McCandless has partaken in various space missions other than that. Receiving many awards, such as the NASA Exceptional Service Medal, McCandless served his country in many ways, even representing humankind in space.  Using the Manned Maneuvering Unit, Astronaut Bruce …

Who was the First Person to Float Freely in Space? Read More »