-
almagesti Ptolemei. In 1464, he
completed De
triangulis omnimodis ("On
Triangles of All Kinds"). De
triangulis omnimodis was one of the
first textbooks presenting...
- Alpha
Trianguli (α
Trianguli,
abbreviated Alpha Tri, α Tri) is a
spectroscopic binary star in the
constellation of Triangulum.
Based on
parallax measurements...
-
Delta Trianguli,
Latinized from Delta Tri, is a
spectroscopic binary star
system approximately 35 light-years (11 pc) away in the
constellation of Triangulum...
-
Alpha Trianguli Australis (Latinised from α
Trianguli Australis,
abbreviated Alpha TrA, α TrA),
officially named Atria /ˈeɪtriə/, is the
brightest star...
- A
triangular number or
triangle number counts objects arranged in an
equilateral triangle.
Triangular numbers are a type of
figurate number,
other examples...
-
Gamma Trianguli (Gamma Tri, γ
Trianguli, γ Tri) is a star in the
constellation Triangulum located approximately 112
light years from Earth. It has an...
- Beta
Trianguli Australis,
Latinized from β
Trianguli Australis, is a
double star in the
southern constellation of
Triangulum Australe. It is approximately...
- R
Trianguli (abbreviated as R Tri) is a short-period oxygen-rich Mira
variable in
Triangulum with a
period of 266.9 days,
discovered by T. H. E. C. Espin...
- 10
Trianguli (HD 14252; HR 675; 1 H.
Trianguli Minus), or
simply 10 Tri is a
solitary star
located in the
northern constellation Triangulum. It is faintly...
- Beta
Trianguli (Beta Tri, β
Trianguli, β Tri), also
known as the Highstone, or Hoogsteen, is the
Bayer designation for a
binary star
system in the constellation...
