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  2. NASA WorldWind - Wikipedia

    en.wikipedia.org/wiki/NASA_Worldwind

    The more recent Java version, WorldWind Java, is cross platform, a software development kit (SDK) aimed at developers and, unlike the old .NET version, not a standalone virtual globe application in the style of Google Earth. The WorldWind Java version was awarded NASA Software of the Year in November 2009. [3]

  3. List of satellite pass predictors - Wikipedia

    en.wikipedia.org/wiki/List_of_satellite_pass...

    Ground track example from Heavens-Above.An observer in Sicily can see the International Space Station when it enters the circle at 9:26 p.m. The observer would see a bright object appear in the northwest, which would move across the sky to a point almost overhead, where it disappears from view, in the space of three minutes.

  4. Location of Earth - Wikipedia

    en.wikipedia.org/wiki/Location_of_Earth

    The space dominated by Earth's magnetic field and its magnetotail, shaped by the solar wind. [17] Earth's orbit: 299.2 million km [b] 2 AU [c] 2.99×10 8: 8.48: The average diameter of the orbit of the Earth relative to the Sun. Encompasses the Sun, Mercury and Venus. [18] Inner Solar System ~6.54 AU 9.78×10 8: 8.99

  5. Celestia - Wikipedia

    en.wikipedia.org/wiki/Celestia

    The program allows users to virtually travel through the universe and explore celestial objects that have been catalogued. Celestia also doubles as a planetarium, but the user is not restricted to the Earth's surface, like in other planetarium software such as Stellarium. Celestia can display objects of various scales using OpenGL. [note 2]

  6. SpaceEngine - Wikipedia

    en.wikipedia.org/wiki/SpaceEngine

    Users can travel through space in any direction or at any speed and can move forwards or backwards in time. [4] SpaceEngine is currently in beta status. Up to version 0.9.8.0E, released in August 2017, it was available as freeware for Microsoft Windows. Version 0.990 beta, the first paid edition, was released on Steam in June 2019.

  7. 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!

  8. Detecting Earth from distant star-based systems - Wikipedia

    en.wikipedia.org/wiki/Detecting_Earth_from...

    Pale Blue Dot, a photograph of Earth taken on February 14, 1990, by the Voyager 1 space probe from a distance of approximately 6 billion kilometers (3.7 billion miles, 40.5 AU). Earth is seen as a tiny dot within deep space: the blueish-white speck almost halfway up the rightmost band of light.

  9. Spacecraft attitude control - Wikipedia

    en.wikipedia.org/wiki/Spacecraft_attitude...

    A spacecraft's attitude must typically be stabilized and controlled for a variety of reasons. It is often needed so that the spacecraft high-gain antenna may be accurately pointed to Earth for communications, so that onboard experiments may accomplish precise pointing for accurate collection and subsequent interpretation of data, so that the heating and cooling effects of sunlight and shadow ...