Frequency-stable laser systems for space

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For the first time a frequency reference based on molecular iodine was successfully demonstrated in space! What sounds a bit like science fiction is an important step towards laser interferometric distance measurements between satellites as well as for future global navigation satellite systems based on optical technologies. The frequency reference tests were carried out on May 13 on board the sounding rocket TEXUS54.
via Science Daily
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Simple equation directs creation of clean-energy catalysts

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New guidelines could steer the design of less costly, more efficient catalysts geared toward revving up the production of hydrogen as a renewable fuel. Using its equation, the team discovered several atom-framework combinations that approximate the performance of precious-metal catalysts - platinum, gold, iridium - at mere thousandths of the cost.
via Science Daily

Europa, Jupiter’s Ocean Moon, May Shoot Plumes of Water Into Space

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A re-examination of old data shows a NASA spacecraft may have flown through a plume in 1997. The plumes could offer hints of life on the ice-encrusted moon.
via New York Times

How a pinch of salt can improve battery performance

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Researchers have discovered how a pinch of salt can be used to drastically improve the performance of batteries.
via Science Daily

Stellar family portrait

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Explore Gaia’s second data release with this interactive visualisation of the Hertzsprung-Russell diagram, the family portrait of stars in our Milky Way
via ESA Space Science
http://sci.esa.int/gaia-stellar-family-portrait/

Our galaxy’s heart

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Space Science Image of the Week: A unique view of our galaxy
via ESA Space Science
http://www.esa.int/ESA_Multimedia/Images/2018/05/Our_galaxy_s_heart

Call for media: Meet Europe’s exoplanet satellite Cheops

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Media are invited to join experts of the Characterising Exoplanets Satellite, Cheops, at Airbus Defence and Space in Madrid, Spain, for a unique opportunity to visit the spacecraft in the clean room on 22 May.

via ESA Space Science
http://www.esa.int/Our_Activities/Space_Science/Call_for_media_Meet_Europe_s_exoplanet_satellite_Cheops