Solar system by Ensign February 20, 2021 0 A set that includes a star and all of the matter that orbits it, including planets, moons, asteroids, comets, and ...
Solar Wind by Ensign February 20, 2021 0 A flow of charged particles that travels from the Sun out into the Solar System.
Southern Lights Aurora Australis by Ensign February 20, 2021 0 An aurora is a natural phenomenon that creates bright and colorful light displays in the sky. In the Antarctic Circle, ...
Space weather by Ensign February 20, 2021 0 The conditions in space that can affect Earth, satellites, and space travel. Space weather is mostly the result of solar ...
Specific Impulse by Ensign February 20, 2021 0 A measurement of a rocket's relative performance. Expressed in seconds, the number of which a rocket can produce one pound ...
Spectrometer by Ensign February 20, 2021 0 The instrument connected to a telescope that separates the light signals into different frequencies, producing a spectrum.
Spectroscopy by Ensign February 20, 2021 0 The technique of observing the spectra of visible light from an object to determine its composition, temperature, density, and speed.
