... and it temporarily gets bright again. If this does happen, then astronomers can identify the interaction as it shows up as a hydrogen spike on a spectrograph. Not so for SN 2012au. Not only is this supernova still shining bright when others would...
...made possible thanks to the very high stabilities of passive hydrogen maser (PHM) clocks aboard each Galileo. These particular...one. “The fact that the Galileo satellites carry passive hydrogen maser clocks, was essential for the attainable accuracy of...
... it first needs to be broken down into its constituent parts; hydrogen and oxygen. To rip water molecules apart a chemical reaction with... is known as radiolysis and after the individual hydrogen and oxygen atoms in the water have been freed, microbes...
...stands for Fine Resolution Epithermal Neutron Detector, is designed to map hydrogen on the martian surface down to a metre deep to help ...be water. This is based on the assumption that the hydrogen seen by FREND is bound into water molecules, he adds....
... was concentrating its resources on developing a liquid hydrogen engine under a contract with United Launch Alliance ... are planning to place more emphasis on fine-tuning the hydrogen engine program to achieve an optimal closed loop system for ...
..., say 60 solar masses, had merged before the explosion. The lower mass stars hold onto their hydrogen for longer, while their combined mass is high enough to trigger the pair instability." "Finding this extraordinary...