Ψ Andromedae
Psi Andromedae (ψ And, ψ Andromedae) is the Bayer designation for a triple star[4] system in the northern constellation of Andromeda. The combined apparent visual magnitude of this system is 4.95.[2] …
Read more »Ψ2 Aurigae
For other stars with this Bayer designation, see ψ Aurigae. Psi2 Aurigae, Latinized from ψ2 Aurigae, is a star in the constellation Auriga. It is faintly visible to the naked eye with an apparent visu…
Read more »Ψ7 Aurigae
For other stars with a similar Bayer designation, see ψ Aurigae. Psi7 Aurigae, Latinized from ψ7 Aurigae, is a star in the northern constellation of Auriga. It is a dim, naked eye star with an apparen…
Read more »Τ Ceti
Not to be confused with T Ceti. For the video game, see Tau Ceti (video game). Tau Ceti, Latinized from τ Ceti, is a single star in the constellation Cetus that is spectrally similar to the Sun, altho…
Read more »Τ Cassiopeiae
Tau Cassiopeiae (τ Cassiopeiae) is a solitary,[10] orange hued star in the northern constellation of Cassiopeia. It is bright enough to be seen with the naked eye, having an apparent visual magnitude …
Read more »Σ Aqr
Sigma Aquarii, Latinized from σ Aquarii, is a double star in the equatorial constellation of Aquarius, positioned about 1.3° to the south of the ecliptic.[10] Due to its proximity to the ecliptic, thi…
Read more »ΜG
"Zero gravity" and "Zero-G" redirect here. For other uses, see Zero gravity (disambiguation). Weightlessness is the complete or near-complete absence of the sensation of weight, i.e., zero apparent we…
Read more »Θ Boötis
Theta Boötis, Latinized from θ Boötis, is a star in the northern constellation of Boötes the herdsman, forming a corner of the upraised left hand of this asterism.[13] It has the traditional name Asel…
Read more »Ε-net (metric spaces)
In the mathematical theory of metric spaces, ε -nets, ε -packings, ε -coverings, uniformly discrete sets, relatively dense sets, and Delone sets (named after Boris Delone) are several closely related …
Read more »Δ-Decalactone
δ-Decalactone (DDL) is a chemical compound, classified as a lactone, that naturally occurs in fruit[1] and milk products[2] in traces. It can be obtained from both chemical and biological sources.[3][…
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