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  2. List of fictional elements, materials, isotopes and subatomic ...

    en.wikipedia.org/wiki/List_of_fictional_elements...

    A programmable material that the Transformers are made from. Tritanium: Star Trek: The fictional metal tritanium was referred to in many episodes as an extremely hard alloy used in starship hulls and hand-held tools. Eve Online: A versatile material; the primary material used in the construction of virtually all star ships and star ship components.

  3. Category:Heaviest or most massive things - Wikipedia

    en.wikipedia.org/wiki/Category:Heaviest_or_most...

    This category is for inanimate or animate things, including entities, objects, and creatures, without excluding humans. Things that weigh the most will typically be the most massive as well, although mass and weight are somewhat different scientific concepts, as discussed at the article about mass versus weight

  4. Category:Largest things - Wikipedia

    en.wikipedia.org/wiki/Category:Largest_things

    Heaviest or most massive things (2 C, 9 P) L. Longest things (3 C, 42 P) V. Largest things by volume (2 C, 5 P) Λ. Lists by size (6 C, 33 P) Pages in category ...

  5. List of largest cosmic structures - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_cosmic...

    This is a list of the largest cosmic structures so far discovered. The unit of measurement used is the light-year (distance traveled by light in one Julian year; approximately 9.46 trillion kilometres). This list includes superclusters, galaxy filaments and large quasar groups (LQGs). The structures are listed based on their longest dimension.

  6. Orders of magnitude (mass) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(mass)

    An overview of ranges of mass. To help compare different orders of magnitude, the following lists describe various mass levels between 10 −67 kg and 10 52 kg. The least massive thing listed here is a graviton, and the most massive thing is the observable universe.

  7. List of Solar System objects by size - Wikipedia

    en.wikipedia.org/wiki/List_of_Solar_System...

    This list contains a selection of objects 50 and 99 km in radius (100 km to 199 km in average diameter). The listed objects currently include most objects in the asteroid belt and moons of the giant planets in this size range, but many newly discovered objects in the outer Solar System are missing, such as those included in the following ...

  8. List of radioactive nuclides by half-life - Wikipedia

    en.wikipedia.org/wiki/List_of_radioactive...

    This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. Current methods make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds.

  9. Category:Heaviest things - Wikipedia

    en.wikipedia.org/wiki/Category:Heaviest_things

    This category is located at Category:Heaviest or most massive things. Note: This category should be empty. See the instructions for more information.