When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. List of hypothetical Solar System objects - Wikipedia

    en.wikipedia.org/wiki/List_of_hypothetical_Solar...

    Planets. Counter-Earth, a planet situated on the other side of the Sun from that of the Earth. Fifth planet (hypothetical), historical speculation about a planet between the orbits of Mars and Jupiter. Phaeton, a planet situated between the orbits of Mars and Jupiter whose destruction supposedly led to the formation of the asteroid belt.

  3. List of galaxies - Wikipedia

    en.wikipedia.org/wiki/List_of_galaxies

    Size (left) and distance (right) of a few well-known galaxies put to scale. The following is a list of notable galaxies.. There are about 51 galaxies in the Local Group (see list of nearest galaxies for a complete list), on the order of 100,000 in the Local Supercluster, and an estimated 100 billion in all of the observable universe.

  4. List of former planets - Wikipedia

    en.wikipedia.org/wiki/List_of_former_planets

    Former planets of the Solar System Former planet Discovery Removal Current status Notes The Morning Star [NB 1]: Antiquity: Antiquity: Aspects of Venus "Phosphorus", the Morning Star of Greek antiquity (Eosphorus, the Dawn-Bringer; called "Lucifer" by the Romans), and "Hesperus", the Evening Star (called "Vesper" by the Romans), were later identified as a single planet, Venus (Aphrodite).

  5. List of Apollo missions - Wikipedia

    en.wikipedia.org/wiki/List_of_Apollo_missions

    List of Apollo missions. The Apollo program was a United States human spaceflight program carried out from 1961 to 1972 by the National Aeronautics and Space Administration (NASA), which landed the first astronauts on the Moon. [1] The program used the Saturn IB and Saturn V launch vehicles to lift the Command/Service Module (CSM) and Lunar ...

  6. List of particles - Wikipedia

    en.wikipedia.org/wiki/List_of_particles

    Just as the photon, Z boson and W ± bosons are superpositions of the B 0, W 0, W 1, and W 2 fields, the photino, zino, and wino ± are superpositions of the bino 0, wino 0, wino 1, and wino 2. No matter if one uses the original gauginos or this superpositions as a basis, the only predicted physical particles are neutralinos and charginos as a ...

  7. List of astronauts by name - Wikipedia

    en.wikipedia.org/wiki/List_of_astronauts_by_name

    Vladimir Aksyonov — Soyuz 22, Soyuz T-2. Buzz Aldrin — Gemini 12, Apollo 11. Second person to walk on the Moon. Aleksandar Panayotov Aleksandrov — Soyuz TM-5. Aleksandr Pavlovich Aleksandrov — Soyuz T-9, Soyuz TM-3. Ali AlQarni — Axiom Mission 2. Andrew M. Allen — STS-46, STS-62, STS-75. Joseph P. Allen — STS-5, STS-51-A.

  8. Impossible color - Wikipedia

    en.wikipedia.org/wiki/Impossible_color

    Impossible color. The human eye's red-to-green and blue-to-yellow values of each one-wavelength visible color [citation needed] Human color sensation is defined by the sensitivity curves (shown here normalized) of the three kinds of cone cells: respectively the short-, medium- and long-wavelength types. Impossible colors are colors that do not ...

  9. Black dwarf - Wikipedia

    en.wikipedia.org/wiki/Black_dwarf

    A black dwarf is a theoretical stellar remnant, specifically a white dwarf that has cooled sufficiently to no longer emit significant heat or light. Because the time required for a white dwarf to reach this state is calculated to be longer than the current age of the universe (13.8 billion years), no black dwarfs are expected to exist in the ...