21 March 2023
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Apollo group

Observing

See asteroid 2012 TC4’s close brush with Earth on 11-12 October

11 October 2017 Ade Ashford

At 6:42am BST on Thursday, 12 October our best orbit prediction for a 20-metre-wide space rock designated 2012 TC4 indicates that it will hurtle by Earth just 43,800 kilometres (27,215 miles) above the ocean between Australia and Antarctica. If UK skies are clear on 11 October and you have an 8-inch or larger telescope, you might just see it too.

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News Headlines

  • Analysis of Magellan data shows apparent volcanic activity on Venus
    21 March 2023
  • Webb images M92, one of the Milky Way’s oldest globular clusters
    23 February 2023
  • The Eskimo: observe one of winter’s best planetary nebulae
    20 February 2023
  • See all the planets in January
    16 January 2023
  • Frank Drake, SETI pioneer, 1930–2022
    3 September 2022
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