Evolution

 All about Evolution

When did our evolution start?

Our evolution started nearly 7 million years ago, when the human genealogy separated from the chimpanzees and monkeys. 

What happened to those humankind?

As time progressed, there were more than 20 known species of humans. But most of them became extinct. But who survived, might have been the ancestors of modern humans. 

Who are the ancestors of humans?

The ancestors were divided into 3 groups:

Early hominins

Australopithecines

Homo genus

The early hominins were believed to exist between 7-4.4 million years ago, in the African continent.

The next stage of evolution was the  Australopithecines, who lived between 4.4-1.4 million years ago, all across Africa.

The last phase of evolution was the Homo Genus. This species believed to come across 2.4-1.4 million years ago. This species could have evolved into the humans we are now. They also were the 1st ones to utilize fire and also the 1st ones to migrate.

Have humans and apes stopped evolving?

No! Humans are still evolving. But no by technology instead of biology. Even other animals, like the apes keep evolving to accustom to the changes humans have made around them

Blackholes

All about blackholes

How is a black hole formed?

A black hole is formed when a star reaches the end of it's life. When a star is running on low fuel, it creates a black hole which eats everything left of the star in a matter of milliseconds. Before the star realizes what is happening to it, it explodes. The star explodes with a lot of energy, which gives birth to a new black hole.

Can anything escape a black hole?

No. Nothing can escape a blackhole, not even light. This is because of it's huge gravitational force.

What will happen if you fall into a blackhole?

Once you cross the blackhole boundary called The event horizon, you are done for. To escape it, you will have to exceed the speed of light, which is the universe's limit. What happens to you after that depends on the 2 classes of blackholes: The Stellar - mass blackholes and the big Mostrous blackholes. Strangely enough, the smaller blackholes have more gravitational force than the larger ones. If you fall inside the smaller blackhole, the person's body will get streched, until they  get ripped apart, even  before entering the event horizon. If you are engulfed by an super, massive blackhole, you will be able to enter the event horizon, and will be falling until you enter the point of singularity, where density becomes infinite.  You will squashed and merged into it. If a scientist is watching you, they will see you falling, getting frozen and dimming away from existence. At the event horizon, time cannot move onwards.