How life could help atmospheric tides slow a planet's rotation

Resonating oscillations of a planet's atmosphere caused by gravitational tides and heating from its star could prevent a planet's rotation from steadily slowing over time, according to new research by Caleb Scharf, who is ...

Image: Polar lights on Uranus

On the first day of the 15th annual European Space Weather Week, this image from the NASA/ESA Hubble Space Telescope fittingly shows a striking occurrence of celestial weather in the outer reaches of the Solar System: an ...

The coincidence between two overachieving NASA missions

Two vastly different NASA spacecraft are about to run out of fuel: The Kepler spacecraft, which spent nine years in deep space collecting data that detected thousands of planets orbiting stars outside our solar system; and ...

New instrument joins the hunt for Earth-like planets

A ground-breaking $3.8 million instrument, used by astronomers to discover and study Earth-like planets, has been launched by a team from UNSW Sydney, The Australian National University (ANU) and Australian Astronomical Optics ...

The threat of centaur solar system objects for the Earth

Astrophysicists Mattia Galiazzo and Rudolf Dvorak from the University of Vienna, in collaboration with Elizabeth A. Silber (Brown University, U.S.) investigated the long-term path development of centaurs, solar system minor ...

The stuff that planets are made of

UZH researchers have analyzed the composition and structure of faraway exoplanets using statistical tools. Their analysis indicates whether a planet is Earth-like, made up of pure rock, or a water-world. The larger the planet, ...

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