A team of astronomers has found a strange star that pulsates only on one side in the Milky Way, making gravitational forces to turn it into a teardrop shape. The star, known as HD74423, is about 1.7 times the mass of the Sun and was detected around 1,500 light-years from Earth. Stars have been found to pulsate at various rhythms and to various degrees.  Astronomers assume they’re caused by convection and magnetic field forces within the star. While the specific reasons for these pulsations may change, these vibrations have usually been witnessed on all sides of the star. However, HD74423 was observed to vibrate on only one side because of its red dwarf partner with which it creates a binary star system.