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“#Mysterious cosmic ray electrons have been spotted for the first time” Just beyond the reach of charged particles from our Sun (which is, in some ways, the edge of our solar system), the Voyager spacecraft have witnessed a previously-unseen phenomenon for the first time. The pair of Voyager spacecraft, launched from Earth in 1977, are now…
“#Neutrinos from our Sun hold the secrets to nuclear fusion” Most people realize our Sun is producing light and heat from the fusion of hydrogen into helium. However, the process of merging together hydrogen nuclei into helium is not as straightforward as it might seem. Typically, there are two processes by which smaller stars create…
“#Why vacuum cleaner bags make the most effective face masks” You have probably become used to wearing a face mask in public. And you probably wear a fabric one, as we’ve been urged to save N95, FFP3, and other “clinical grade” masks for healthcare workers. This is despite science not knowing how well fabric masks…
“#Neutron star collision should have formed a black hole — but a ‘magnetar’ appeared instead” On May 22, 2020, light from a titanic explosion deep in space reached Earth. The energy seen by astronomers told of the collision of a pair of neutron stars, creating a kilonova explosion. This event, releasing more energy in a…
“#Galactic gas can help unveil what dark matter is made of” The search for dark matter – an unknown and invisible substance thought to make up the vast majority of matter in the universe – is at a crossroads. Although it was proposed nearly 70 years ago and has been searched for intensely – with…