Related topics: magnetic field · sun

Waves in thin air with broad effects

Mars has a very thin atmosphere, with nearly one hundredth the density of ours on Earth, and gravity pulls with little more than one third of the strength we feel on our planet. As a result, dust storms can go global. For ...

Total lunar eclipse: observing the Earth as a transiting planet

Astronomers have succeeded in recording sunlight shining through the Earth's atmosphere in a manner similar to the study of distant exoplanets. During the extraordinary occasion of a lunar eclipse, the Large Binocular Telescope ...

Two stars merged to form massive white dwarf

A massive white dwarf star with a bizarre carbon-rich atmosphere could be two white dwarfs merged together according to an international team led by University of Warwick astronomers, and only narrowly avoided destruction.

NASA selects new instrument to continue key climate record

NASA has selected a new space-based instrument as an innovative and cost-effective approach to maintaining the 40-year data record of the balance between the solar radiation entering Earth's atmosphere and the amount absorbed, ...

Solar Orbiter: Ready for launch

The fairing of the US Atlas V 411 rocket with ESA's Solar Orbiter spacecraft inside at the Astrotech payload processing facility near Kennedy Space Center in Florida during launch preparations on 21 January 2020.

Mars' water was mineral-rich and salty

Presently, Earth is the only known location where life exists in the Universe. This year the Nobel Prize in physics was awarded to three astronomers who proved, almost 20 years ago, that planets are common around stars beyond ...

Water common—yet scarce—in exoplanets

The most extensive survey of atmospheric chemical compositions of exoplanets to date has revealed trends that challenge current theories of planet formation and has implications for the search for water in the solar system ...

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