coronal mass ejection

  • Dragon-star spews fire at nearby planets

    Superflare may hold the answer to one of our own solar system’s great unknowns.

    Astronomers spying on a nearby stellar system have observed a massive burst of energy and charged particles, known as...

    Astronomy December 13, 2021
  • Mechanics of coronal mass ejections revealed

    The genesis of enormous explosions on the sun has long been a mystery, but no more.

    A coronal mass ejection captured by NASA's Solar Dynamics Observatory in September, 2017.Credit: NASA/SDO  An in...

    Space March 6, 2019
  • Observations reveal new 'shape' for coronal mass ejections

    Radiation signatures produced by giant solar storms more complex than previously thought. Phil Do...

    Astronomers using one of the most sensitive arrays of radio telescopes in the world have caught a huge storm erupting...

    Space February 18, 2019
  • Round-up: sunspots and solar flares

    Scientists are edging ever closer to an understanding of the Sun’s unpredictable outbursts.

    Sunspots have puzzled astronomers for centuries, and the more recent discovery of solar flares and coronal mass eject...

    Space March 29, 2018
  • The Sun gets loopy

    An active region on the surface of the Sun puts on a show.

    Solar active region AR12665 putting on a show.NASA’s Goddard Space Flight Center/SDOOn July 5, 2017, NASA’s Solar Dyn...

    Space August 6, 2017
  • Solar flare aftermath

    After a coronal mass ejection, the Sun puts its magnetic field back together.

    The aftermath of a coronal mass ejection on the Sun.Solar Dynamics Observatory, NASASolar flares are often caused by ...

    Space April 26, 2017
  • NASA probe glimpses supercharged radiation belts

    A Van Allen spacecraft was in the right place at the right time to capture the effects of a shock...

    On 17 March 2015 the sun let fly a massive blast of matter, generating a shockwave which hit the Earth’s magnetic fie...

    Space August 17, 2016
  • Tracking the violence in the Sun

    Coronal mass ejections from the Sun can wreak havoc on Earth. Belinda Smith reports.

    A composite image of the solar corona on 7 January 2014, taken by the Solar Dynamics Observatory. The brightly glowin...

    Space June 8, 2015
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