Browsing: Helium

One of the fundamental backbones of the Big Bang theory states that after the rapid expansion of the Universe only the lightest elements were formed. A group of scientists stumbled across an amazing discovery recently when they found a gas cloud dating from the time of the early Universe exclusively made out of hydrogen and helium, proving […]

If you look at this picture, you will probably see what can only be described as an unremarkable, even faint star. But this ancient star, in the constellation of Leo (The Lion), called SDSS J102915+172927 has astrophysicists scratching their heads, searching for new answers. A team of European astronomers using ESO’s Very Large Telescope (VLT) […]

Superfluidity is a weird property, by all standards. Basically it is a state of matter in which all the viscosity of a fluid vanishes; what happes is you take some atoms, and you chill them, and then chill them some more, until they get close to absolute zero (-273.15 degrees Celsius, the temperature below which […]