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Karolin Kirschenmann
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May 4, 2021
In May 2019, astronomers measured the largest flare ever from Proxima Centauri, the closest star to our sun. What do such flares mean for possible alien life, on a planet in the Proxima Centauri system, only 4 light-years away?
Proxima Centauri is the closest star to the solar system and is home to a potentially habitable planet. Image via Hubble/ European Space Agency/ WikimediaCommons.
Our sun isn’t the only star to produce stellar flares. On April 21, 2021, a team of astronomers published new research in the
Astrophysical Journal Letters, describing the brightest flare ever measured from Proxima Centauri in ultraviolet light, which occurred on May 1, 2019. To learn about this extraordinary event – and what it might mean for any life on the planets orbiting Earth’s closest neighboring star – The Conversation spoke with Parke Loyd, an astrophysicist at Arizona State University and co-author of the paper. Excerpts from the conversation are below and have been
Scientists Hear Continuous Gravitational Waves Emitted by Neutron Stars
Written by AZoQuantumMay 4 2021
Recall the days before individuals were working from home. Imagine a typical situation it is Monday morning and individuals are running late to beat the heavy traffic, but they could not locate their car keys. So, what do they do?
Rapidly rotating neutron stars may be “humming” continuous gravitational waves. Image Credit: K. Wette.
They may try to move from one room to another, glancing at each flat surface, hoping to find the missing keys.
Evidently, this implies that the missing keys are lying somewhere in plain sight; if the keys have fallen behind the sofa, or concealed under a newspaper, individuals would never find them. Or they may convince themselves that they last saw the keys in the kitchen area and look for them there: within each cupboard, the dishwasher, microwave, back of the fridge, and so on.
NationofChange
Installing solar panels over Californiaâs canals could yield water, land, air and climate payoffs
Building smart solar developments on canals and other disturbed land can make power and water infrastructure more resilient while saving water, reducing costs and helping to fight climate change.
Western states are pursuing many strategies to adapt to these stresses and prepare for the future. These include measures to promote renewable energy development, conserve water, and manage natural and working lands more sustainably.
As engineers working on climate-smart solutions, weâve found an easy win-win for both water and climate in California with what we call the âsolar canal solution.â About 4,000 miles of canals transport water to some 35 million Californians and 5.7 million acres of farmland across the state. Covering these canals with solar panels would reduce evaporation of precious water â one of Californiaâs most critic