STD
Standard 34-m DSS, retired from DSN service.
The theory that suggests the universe is expanding but exists in a constant, unchanging state in the large scale. The ...
The ejection of gas from the surface of a star. Many different types of stars, including our Sun, have stellar ...
A meteorite that resembles a terrestrial rock and is composed of similar materials.
A meteorite that contains regions resembling both a stone meteorite and an iron meteorite.
Modulation applied to a carrier which is itself modulated with information-carrying variations.
A spacecraft orbit that precesses, wherein the location of periapsis changes with respect to the planet's surface so as to ...
Sundogs are an atmospheric phenomenon created by light which is reflected or refracted by ice crystals in the atmosphere.