Universe is approximately..
13.75 billion years old
14.75 billion years old
13.90 billion years old
14.00 billion years old
The launch of Hubble was delayed due to the 1986 Space Shuttle Challenger disaster.
True
False
In which year did NASA released images of Orion Nebula images that confirm the births of planets around newborn stars?
1994
1995
2000
1996
Albert Einstein's theories tell us that black holes are made of pure gravitational energy. They have mass and spin, but contain no matter. Anything that falls into a black hole is converted to energy.
Every person has more than 75km of nerves in their body.
Your nerves can send messages slower than a Grand Prix car travels.
Brain has over 100,000,000,000 nerver cells each with up to 150,000 connections. Each cell is connected to 25,000 others.
The brain weighs about 1.5kg in an adult human.
Compared to other animals, human brains are small for the body.
On average, the male brain is slightly bigger than the female brain.