DEATH FROM THE COSMOS?

The ways by which earth’s life could end

- R. Sabari B.Tech II year CSIR - CECRI

MOTHER EARTH :

• The only planet that has life (atleast in our solar system)

• Age: 4.5 billion years

• Address: 92,935,700 miles from Sun, Solar System, Milkyway, Virgo Supercluster, Laniakea, Observable Universe

ASTEROIDS:

ASTEROIDS:

How to safeguard?

• Find• Change the trajectory• Or, Blast it with a nuclear weapon in space• Or, Vaporize it with laser or sun rays.

Probability – Quite high

COMETS:

Probability – Lower than that of asteroid strike

GAMMA RAY BURSTS:

Fermi LAT view of GRB 130427A

Probability – Very very low

SUPERNOVA:

Probability – Very very low

SUPERMASSIVE BLACK HOLES:

Probability – Toooo.. low

SUN:

Probability – 1.00

Solar flare

Star Death

But still there are 7 billion years

Alien attack:

Is it necessary that death should come from outside?

Nope

Super volcanic eruption

One more…..

Until the discoveries and inventions of…

Just keep the planet alive…

The future generations

will take care the rest…

The future generations will take care the rest…