quark

In the constellation of the Swan (Cygnus for friends) is where the Tulip nebula or SH2-101 lives. A nebula cataloged in 1959 about 6500 light years from Earth and about […]

quark_star

The other day I speak the Chandrasekhar limit and will indicate the possible existence of special stars called quark star. As we know, fermions are the essence of the matter […]