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Earth & Space

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The world’s clearest view of stars is seen from the highest point of the Antarctic ice sheet

Twinkle, twinkle, little star. Why do the stars twinkle? It is because of the turbulence in the atmosphere. You may hear turbulence from the airplane broadcast when the airplane is shaking. The turbulence shakes not only airplanes, but also the light from the stars, by altering... click to read more

  • Bin Ma | Associate Professor at School of Physics and Astronomy, Sun Yat-sen University, Zhuhai, China
Views 378
Reading time 4 min
published on Jul 21, 2022
Rocks beneath volcanic hotspots can be surprisingly cool

Volcanoes shape the surface of the Earth, by bringing molten rock from the deep interior to the surface and creating the crust. The majority of the Earth’s volcanism happens at plate boundaries, so called inter-plate volcanism, including the mid-ocean ridges (like the East Pacific Rise... click to read more

  • Xiyuan Bao | PhD student at Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, USA
Views 326
Reading time 3.5 min
published on Jul 15, 2022
Are super-Earths more friendly to life than we thought?

The inner core of the Earth is a solid spinning ball of mostly iron, almost the size of the Moon. Temperatures on the surface of the inner core can reach close to those at the surface of the Sun. The next layer, the outer core,... click to read more

  • Arshia Ruina | PhD Student at University of Geneva, Geneva, Switzerland
Views 693
Reading time 3.5 min
published on May 30, 2022
Watching the death of a distant galaxy

A large fraction of the stars of the present-day Universe is enclosed in giant, round-shaped galaxies, called “ellipticals”. Elliptical galaxies host very old stars, formed more than 10 billion years ago when the universe was still young. Despite the large availability of gas (the fuel... click to read more

  • Annagrazia Puglisi | Post-doc Research Associate at Centre for Extragalactic Astronomy, Department of Physics, Durham University, Durham, UK
Views 647
Reading time 4 min
published on May 4, 2022
Postcards from the past: how a fossil tree can picture the Peruvian Andes ten million years ago

If you have had the opportunity to climb up to the top of a tall mountain, you have probably noticed that as you go up the trees become smaller and smaller, until they disappear from the landscape, and only small shrubs, grasses and herbs fill... click to read more

  • Camila Martínez | Professor at Universidad EAFIT, Biology Department, Medellín, Colombia
Views 946
Reading time 4 min
published on Apr 13, 2022