Articles

172 articles

• Body type

  universe

  The universe means the totality of all that physically exists: matter, energy, space and time, and the laws that link them in a unified framework.

• Chemical element

  Uranio

  Uranio (U) is a chemical element belonging to the category Inner transition metal (actinide series), with atomic number 92 and atomic mass 238.0290 u. This sheet describes its fundamental properties, periodic position…

• Celestial object

  Uranus

  Uranus is an icy giant with a cold fluid envelope, gradual internal layers and a strongly tilted axis. Its deep and atmospheric structures form a system organized by gradients and distinct rotational dynamics.

• Chemical element

  Vanado

  Vanado (V) is a transition metal with atomic number 23 and atomic mass 50.942 u. This sheet describes its fundamental properties, periodic position and physico-chemical characteristics.

• Celestial object

  Venus

  Venus is a terrestrial planet with a dense carbon-dioxide layer and clouds of sulfuric acid, creating an extremely energetic environment dominated by volcanic processes.

• Astronomical type

  Volcanic Moon

  A volcanic moon is a natural satellite characterized by intense internal activity, producing eruptions, lava flows, and constant transformations of its surface.

• Chemical element

  Kseno

  Kseno (Xe) is a chemical element belonging to the category Noble gas, with atomic number 54 and atomic mass 131.2930 u. This sheet describes its fundamental properties, periodic position and physical characteristics.

• Subtype

  Yellow dwarf star

  A yellow dwarf star is a main-sequence star of medium size, whose light appears yellow due to the temperature of its surface and balanced radiation.

• Chemical element

  Ytterbium

  Ytterbium (Yb) is a chemical element belonging to the category Inner transition metal (lanthanide), with atomic number 70 and atomic mass 173.0400 u. This sheet describes its fundamental properties, periodic position…

• Chemical element

  Yttrium

  Yttrium (Y) is a transition metal with atomic number 39 and atomic mass 88.906 u.

• Chemical element

  Zinc

  Zinc (Zn) is a chemical element belonging to the category Transition metal, with atomic number 30 and atomic mass 65.38 u. This sheet describes its fundamental properties, periodic position and physical characteristics.

• Chemical element

  Zirkonio

  Zirkonio (Zr) is a chemical element belonging to the category Transition metal, with atomic number 40 and atomic mass 91.2240 u. This sheet describes its fundamental properties, periodic position and physical…