B. The Fate of Massive Stars: Supernovae! and Then... Fate has something very different, and very dramatic, in store for stars which are some 5 or more times as massive as our Sun. After the outer layers of the star have swollen into a red supergiant (i.e., a very big red giant), the core begins to yield to gravity and starts to shrink. As it shrinks, it grows hotter and denser, and a new series of nuclear reactions begin to occur, temporarily halting the collapse of the core.
What is Icelandic Skyr yogurt ? Skyr is an Icelandic cultured dairy product. It has the consistency of strained yogurt.
Skype is a program that uses internet to make free worldwide calls and video calls between computers, smartphones and mobile devices, to chat and transfer files. It has about 280 million active users per month and since 2011 belongs to Microsoft Corporation.