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  2. Astronomers trace the origin of meteorites that have struck Earth

    www.aol.com/news/astronomers-trace-origin...

    By Will Dunham. WASHINGTON (Reuters) - Meteorites - rocks that fall to Earth from space - have pelted our planet from its birth about 4.5 billion years ago to today, often causing scant damage but ...

  3. Webb telescope confirms the universe is expanding at an ...

    www.aol.com/news/webb-telescope-confirms...

    Two years of data from NASA's James Webb Space Telescope have now validated the Hubble Space Telescope's earlier finding that the rate of the universe's expansion is faster - by about 8% - than ...

  4. Astronomers discover two populations of unusual dark comets ...

    www.aol.com/astronomers-discover-two-populations...

    Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist. Now, scientists have found a total of 14 of them.

  5. List of astronomy websites - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomy_websites

    Universe Today (UT) is a non-commercial space and astronomy news site, founded in 1999 [13] by Fraser Cain and edited by Nancy Atkinson. [14] [15] The news can then be discussed on the forums. The forum began on 24 July 2003, and was mainly used to discuss the Universe Today news as well as ask space-related questions and discuss alternate ...

  6. Astronomy - Wikipedia

    en.wikipedia.org/wiki/Astronomy

    Astrophysics is the branch of astronomy that employs the principles of physics and chemistry "to ascertain the nature of the astronomical objects, rather than their positions or motions in space". [ 73 ] [ 74 ] Among the objects studied are the Sun , other stars , galaxies , extrasolar planets , the interstellar medium and the cosmic microwave ...

  7. Astronomical coordinate systems - Wikipedia

    en.wikipedia.org/wiki/Astronomical_coordinate...

    Coordinate systems in astronomy can specify an object's relative position in three-dimensional space or plot merely by its direction on a celestial sphere, if the object's distance is unknown or trivial. Spherical coordinates, projected on the celestial sphere, are analogous to the geographic coordinate system used on the surface of Earth.

  8. This is how close NASA's Parker Solar Probe will fly by the sun

    www.aol.com/close-nasas-parker-solar-probe...

    This is how close the Parker Solar Probe will get to the sun. The Parker Solar Probe is expected to pass within an "unprecedented" 3.86 million miles of the solar surface on Dec. 24, according to ...

  9. Voyager 2 is the only craft to visit Uranus. Its findings may ...

    www.aol.com/voyager-2-only-craft-visit-162151659...

    An image of the planet Uranus taken by the NASA spacecraft Voyager 2 in 1986. New research using data from the mission shows a solar wind event took place during the flyby, leading to a mystery ...

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