What Is Space

In space no one can hear you scream.

What is space. The unlimited or incalculably great three dimensional realm or expanse in which all material objects are located and all events occur. Space is a vacuum but it is far from empty. Away from city lights on a clear night you might see the beautiful band of the milky way stretching across the sky. Outer space begins about 100 km above the earth where the shell of air around our planet disappears.

First some simple answers. Sound waves cannot travel through a vacuum. Space is the boundless three dimensional extent in which objects and events have relative position and direction. Extent or room in three dimensions the space occupied by a body.

Is there anything else up there in space. Space is the zone above and around our planet where there is no air to breathe or to scatter light. This is because there is no air in space it is a vacuum. The portion or extent of this in a given instance.

When you look up at the night sky you see stars and sometimes the moon and the brighter planets. How to use space in a sentence. Turn the pages with your mouse. Space definition is a period of time.