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  2. Timeline of first images of Earth from space - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_first_images...

    First full-disk black-and-white filtered [40] color picture of the Earth. [6] November 10, 1967 ATS-3: First full-disk "true color" [41] picture of the Earth; [42] subsequently used on the cover of the first Whole Earth Catalog. [43] [42] December 21, 1968 Apollo 8: First full-disk image of Earth from space taken by a person, probably by ...

  3. 3001: The Final Odyssey - Wikipedia

    en.wikipedia.org/wiki/3001:_The_Final_Odyssey

    TMA-1, the black monolith found on the Moon in 1999, had been brought to Earth in 2006 and installed in front of the United Nations Building in New York City. Poole integrates into the society of 3001, but is prompted by a friend to revisit Europa , a cradle of nascent life from which the monolith had banned humanity almost a thousand years ...

  4. The Universe (TV series) - Wikipedia

    en.wikipedia.org/wiki/The_Universe_(TV_series)

    A look at the prospects for the commercialization space, from $20 million vacation trips to the ISS, the possibility of orbital hotels, and spaceplane flights 120 miles above the Earth are just the beginning. Also a look at the hazards, such as cosmic radiation and space debris, that could spell disaster for these outerspace endeavors.

  5. Color - Wikipedia

    en.wikipedia.org/wiki/Color

    If the reflectance spectrum of a color is 1 (100%) for all the wavelengths between A and B, and 0 for all the wavelengths of the other half of the color space, then that color is a maximum chroma color, semichrome, or full color (this is the explanation to why they were called semichromes). Thus, maximum chroma colors are a type of optimal color.

  6. Purple Earth hypothesis - Wikipedia

    en.wikipedia.org/wiki/Purple_Earth_hypothesis

    The Purple Earth Hypothesis (PEH) is an astrobiological hypothesis, first proposed by molecular biologist Shiladitya DasSarma in 2007, [1] that the earliest photosynthetic life forms of Early Earth were based on the simpler molecule retinal rather than the more complex porphyrin-based chlorophyll, making the surface biosphere appear purplish ...

  7. Aether theories - Wikipedia

    en.wikipedia.org/wiki/Aether_theories

    Isaac Newton suggests the existence of an aether in the Third Book of Opticks (1st ed. 1704; 2nd ed. 1718): "Doth not this aethereal medium in passing out of water, glass, crystal, and other compact and dense bodies in empty spaces, grow denser and denser by degrees, and by that means refract the rays of light not in a point, but by bending them gradually in curve lines? ...

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. The Colors of Space - Wikipedia

    en.wikipedia.org/wiki/The_Colors_of_Space

    First edition cover art of Ralph Brillhart published by Monarch Books. The Colors of Space is a 1963 science fiction novel by Marion Zimmer Bradley.. The book has been reviewed by P. Schuyler Miller for the Analog Science Fiction and Fact (1964), by Steve Miller for the Science Fiction Review (1983), and also that year by Robert Coulson for the Amazing Science Fiction.