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Formalhaut b – A planet 25 light years from Earth and is an extreme from our viewpoint, revolves around it’s star Formalhaut and first directly imaged planet at optical wavelength.
G = Gas giant – Planets made primarily of gas, these include Jupiter, Saturn, Uranus, and Neptune.
N – Nova – An explosion on the surface of a white dwarf that is accreting matter from a companion star, which causes the system to temporarily brighten by a factor of several hundred to several thousand.
S = Solstice – Two points on the celestial sphere wherein the sun is farthest north or south of the equator.
T = Tektite
(Explanation I found: “small, glassy material formed by the impact of a large body, usually a meteor or asteroid. Tektites are commonly found at the sites of meteor craters”)
Y – Yellow dwarf – Ordinary star, like the sun and is at its stable point in its transformation.
Z = Zenith, the point in the sky directly overhead. Not directly space-related but it must do because Z is difficult!
A – Andromeda galaxy is a spiral galaxy that is nearly two and a half million light years away in the constellation Andromeda.
D – Denison Olmsted – American physicist and astronomer born in Hartford, Connecticut. He is attributed for founding meteor science. He demonstrated that meteors are cosmic in origin and not an atmospheric phenomenon.
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