This allows the satellite to stay over the same site on the Earth's surface at all times. The volume over which an object exerts a gravitational pull. The force of attraction between two objects which is influenced by the mass of the two objects and the distance between the two objects. A spinning gyroscope tends to resist change in the direction of its axis. The place in which an organism lives and obtains the materials it needs in order to survive.
Human beings experience infrared waves as heat.
ION An electrically charged particle. Ions may be negatively or positively charged. A scale for measuring temperature where 0 Kelvin is equal to -273.16 degrees Celsius. Zero Kelvin is referred to as absolute zero, the point at which all motion within molecules comes to a stop. A kilogram equals 2.2 pounds.