About 47,200 results
Open links in new tab
  1. How fast does Earth spin? - New Scientist

    To answer the question of how fast Earth spins, you need to know two things: how long it takes to make a full rotation, and Earth's circumference. The time it takes Earth to rotate so the sun ...

  2. How long is a day on Uranus? Slightly longer than we thought, it seems

    Apr 8, 2025 · Figuring out the rotation period of the solar system’s giant planets is much harder than for the likes of Mars and Earth because ferocious wind storms make direct measurements impossible.

  3. Could you change Earth’s rotation by all running at the same time?

    Oct 23, 2019 · Could you change Earth’s rotation by all running at the same time? A reader wondered what would happen if everyone in the world gathered in one place and started running. The answers …

  4. Forces deep underground seem to be deforming Earth's inner core

    Feb 10, 2025 · Those changes in rotation are mainly due to magnetic forces generated by convection in Earth’s liquid outer core, says John Vidale at the University of Southern California. “That flow is ...

  5. Earthquakes suggest Earth's core has started spinning more slowly

    Jan 23, 2023 · Measurements of seismic waves travelling through Earth’s inner core indicate that its rotation may be slowing, switching its direction relative to the rest of the planet’s spin

  6. Does life require Earth’s rate of rotation to lie in a certain range?

    Feb 26, 2025 · Does life require Earth’s rate of rotation to lie in a certain range? Our readers offer their opinions on what would happen if Earth’s rotation slowed – and if it sped up. Life wouldn’t be ...

  7. The sun may spit out giant solar flares more often than we thought

    Dec 12, 2024 · A survey of more than 56,000 sun-like stars reveals that “superflares” that are linked to bursts of radiation which play havoc with electronics on Earth may happen every 100 to 200 years …

  8. How much of the movement of clouds is due to Earth’s rotation?

    Oct 28, 2020 · How much of this is due to Earth’s rotation? Do clouds seem to move faster at the equator? Peter Bursztyn, Barrie, Ontario, Canada Clouds move in response to the local winds.

  9. If Earth stopped rotating, would this affect the force of gravity?

    Jan 17, 2024 · If Earth stopped rotating, would this affect the force of gravity? Chris Daniel Glan Conwy, UK When Earth rotates as normal, the centripetal acceleration of the ground under your feet at the ...

  10. Pyramid precision - New Scientist

    Nov 15, 2000 · However, a wobble in the Earth’s axis of rotation (called precession), means that the positions of the stars changes gradually over time. In the third millennium BC, no star sat at the north …