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  2. Calabash Nebula - Wikipedia

    en.wikipedia.org/wiki/Calabash_Nebula

    The Calabash Nebula, also known as the Rotten Egg Nebula or by its technical name OH 231.84 +4.22, is a protoplanetary nebula (PPN) 1.4 light years (13 Pm) long and located some 5,000 light years (47 Em) from Earth in the constellation Puppis.

  3. Egg Nebula - Wikipedia

    en.wikipedia.org/wiki/Egg_Nebula

    The Egg Nebula (also known as RAFGL 2688 and CRL 2688) is a bipolar protoplanetary nebula approximately 3,000 light-years away from Earth. Its peculiar properties were first described in 1975 using data from the 11 μm survey obtained with sounding rocket by Air Force Geophysical Laboratory (AFGL) in 1971 to 1974.

  4. Vulcan (hypothetical planet) - Wikipedia

    en.wikipedia.org/wiki/Vulcan_(hypothetical_planet)

    Vulcan in a lithographic map from 1846 [1] Vulcan / ˈ v ʌ l k ən / [2] was a proposed planet that some pre-20th century astronomers thought existed in an orbit between Mercury and the Sun. Speculation about, and even purported observations of, intermercurial bodies or planets date back to the beginning of the 17th century.

  5. Oviraptor - Wikipedia

    en.wikipedia.org/wiki/Oviraptor

    Oviraptor (/ ˈ oʊ v ɪ r æ p t ər /; lit. ' egg thief ') is a genus of oviraptorid dinosaur that lived in Asia during the Late Cretaceous period. The first remains were collected from the Djadokhta Formation of Mongolia in 1923 during a paleontological expedition led by Roy Chapman Andrews, and in the following year the genus and type species Oviraptor philoceratops were named by Henry ...

  6. Ostrich Egg Globe - Wikipedia

    en.wikipedia.org/wiki/Ostrich_Egg_Globe

    The map carved on the globe is an extremely close, [1] if not identical, [2] match to the Hunt–Lenox Globe, a copper globe reliably dated to about 1510. The owner [ 2 ] of the Ostrich Egg Globe, Stefaan Missinne, claims that it was made in the early 16th century and is therefore the first globe ever to depict the New World .

  7. Castel dell'Ovo - Wikipedia

    en.wikipedia.org/wiki/Castel_dell'Ovo

    Castel dell'Ovo ("Egg Castle") is a seafront castle in Naples, located on the former island of Megaride, now a peninsula, on the Gulf of Naples in Italy. The castle's name comes from a legend about the Roman poet Virgil, who had a reputation in the Middle Ages as a great sorcerer and predictor of the future. In the legend, Virgil put a magical ...

  8. Oviparity - Wikipedia

    en.wikipedia.org/wiki/Oviparity

    The egg is not retained in the body for most of the period of development of the embryo within the egg, which is the main distinction between oviparity and ovoviviparity. [1] Oviparity occurs in all birds, most reptiles, some fishes, and most arthropods. Among mammals, monotremes (four species of echidna, and the platypus) are uniquely oviparous.

  9. Enhanced vegetation index - Wikipedia

    en.wikipedia.org/wiki/Enhanced_vegetation_index

    2011 Enhanced vegetation index based on MODIS Terra data. The enhanced vegetation index (EVI) is an 'optimized' vegetation index designed to enhance the vegetation signal with improved sensitivity in high biomass regions and improved vegetation monitoring through a de-coupling of the canopy background signal and a reduction in atmosphere influences.