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  1. Vor 5 Tagen · The sun is on the verge of a significant event: a magnetic field reversal. This phenomenon happens roughly every 11 years and marks an important stage in the solar cycle. The shift in polarity ...

  2. Vor 4 Tagen · The Sun has been shining for 4.6 billion years. Considerable hydrogen has been converted to helium in the core, where the burning is most rapid. The helium remains there, where it absorbs radiation more readily than hydrogen. This raises the central temperature and increases the brightness.

  3. 10. Juni 2024 · The sun's reversal of polarity. Our sun is a massive ball of electrically charged hot gas, which produces a powerful magnetic field, according to NASA. "Every 11 years or so, the sun's magnetic ...

  4. Vor einem Tag · 50 years ago, the sun’s influence on Earth’s lightning was revealed. Cyclical bursts of solar radiation seem to enhance lightning strikes on Earth, mounting evidence suggests. But the ...

  5. 3. Juni 2024 · His figures yield twenty-two million years as the probable age of the sun, on the assumption of uniform radiation and homogeneous density. Experimental data on the intensity of solar...

  6. Vor 6 Tagen · A couple of billions of years ago, the Sun was a little dimmer than it is now. The Sun contains almost ALL of the material in our solar system. 99% of it. All the planets, asteroids and comets add up to less than 1% of the total.

  7. 4. Juni 2024 · By Adam Mann. June 4, 2024 at 12:00 pm. Beautiful curtains of pink and green light swirled in night skies around the world in May during one of the strongest displays of auroras in half a...