Aerospace. a design concept for spacecraft propulsion consisting of a very thin, very large sheet of highly polished material that would be driven by the pressure of sunlight.
a device that reflects light particles from the Sun, gaining momentum in the opposite direction to propel spacecraft forwards
A saillike device that is made of lightweight and highly reflective material and attached to a spacecraft to harness the radiation pressure of the solar wind and light for propulsion. Also called light sail.
noun 1. (in ancient Egypt) a boat placed in or near the tomb of a king to transport him to the sun.
noun 1. an apparatus that uses solar radiation to distill salt or brackish water to produce drinkable water.
noun 1. a temporary disturbance of the earth’s magnetic field, induced by radiation and streams of charged particles from the sun. magnetic storm noun 1. a sudden severe disturbance of the earth’s magnetic field, caused by emission of charged particles from the sun noun See geomagnetic storm magnetic storm A disturbance or fluctuation in the […]
- Solar time
solar time Time based on the rotation of the Earth with respect to the Sun. Solar time units are slightly longer than sidereal units due to the continuous movement of the Earth along its orbital path. For example, by the time the Earth has completed one full rotation on its axis with respect to the […]