Space

  1. Exoplanet K2 18b
    Astronomy

    This may be the first known exoplanet with rain and clouds of water droplets

    For the first time, astronomers have detected water vapor and possibly signs of clouds and even rain in the air of a potentially habitable exoplanet.

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  2. MeerKAT telescope array
    Astronomy

    Giant radio bubbles spew from near the Milky Way’s central black hole

    New structures found at the heart of our galaxy join other bubbles, chimneys and filaments that hint at a turbulent past.

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  3. Pragyan rover illustration
    Space

    India lost contact with its first lunar lander just before touchdown

    Chandrayaan 2 mission officials are trying to figure out why its rover-carrying lander went silent moments before it was to reach the moon’s surface.

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  4. pulsar orbiting neutron star
    Space

    Einstein’s general relativity reveals new features of a pulsar

    Measurements that rely on the physicist’s theory of gravity are letting astronomers view a pulsar in ‘a whole new way.’

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  5. magnetic field lines
    Space

    Iron sulfide may be keeping Mercury’s core toasty and its magnetic field alive

    New estimates of how much heat Mercury’s core loses could explain why the tiny world has a long-lived magnetic field.

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  6. Curiosity rover
    Space

    Overnight changes in Mars’ atmosphere could solve a methane mystery

    Overnight atmospheric changes on Mars can explain why two spacecraft measure vastly different concentrations of methane.

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  7. Jupiter
    Space

    5 of Jupiter’s newly discovered moons received names in a public contest

    Astronomers first announced the discovery of the worlds in July 2018, and have now named them for goddesses and spirits of Greek and Roman mythology.

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  8. asteroid
    Science & Society

    ‘End Times’ explores the catastrophic events that could kill us all

    A new book looks at the threats that could wipe out humankind and what can be done to counteract them.

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  9. Ryugu
    Space

    For an asteroid, Ryugu has surprisingly little dust on its surface

    Ryugu lacks the dust that some other space rocks have. The near-Earth asteroid may hide the fine debris inside porous rocks or eject it into space.

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  10. neutron star
    Space

    LIGO and Virgo probably spotted the first black hole swallowing up a neutron star

    In a first, astronomers may just have detected gravitational waves from a black hole merging with a neutron star.

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  11. Jupiter collision illustration
    Space

    A planetary body may have smashed into Jupiter, creating its weird core

    A planetary body smashing into Jupiter may have jostled the gas giant’s insides during its formative years, creating the strange interior seen today.

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  12. CHIME telescope
    Space

    Astronomers just quintupled the number of known repeating fast radio bursts

    A Canadian telescope spotted eight more repeating fast radio bursts. What causes these cryptic flashes of radio waves from deep space remains unclear.

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