Discover and read the best of Twitter Threads about #BlackFriday
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THREAD: Need a break from #BlackFriday, digging @NASA’s #BlackHoleFriday? Perfect, enjoy our Black Hole 101! ☄️
First the basics. A black hole is a region in space where the pulling force of gravity is so strong that light is not able to escape. Because of this, black holes are invisible. Only telescopes with special instruments can help find them.
There are three main types of black holes. The black hole's mass and size determine what kind it is.
#BlackFriday is upon us, let us zoom in on who we will be giving our money to on Friday.
Massmart Holdings Ltd which is one of the largest retailers in SA is 52,4% owned by Wal-Mart Stores Inc (USA). This is their Executive Committee. 
This is Massmart.
