To suggest that extra terrestrials exist in this universe is sometimes an after thought, (at least for now), but no one can say for sure. Perhaps someone knows, like the lord Buddha (some more than 2,500 years ago) or other saints and mysterious people. Buddhism material acknowledges higher terrestrial existence, however the descriptions are limited (as far as I have researched).
According to world famous scientist Dr. Stephen Hawkings, he is not sure why only weirdos have witnessed UFO. But isn't there is something called confidential in the world, especially in the governments ?
To get a picture of how big the universe is ?
Check out this link
- From planet Earth,
- the next level up is the solar system.
- Then 'Solar Interstellar Neighbourhood'
- Then only 'The Milky way gallaxy'
- Then 'Local Gallactic Group'
- Then 'Virgo Supercluster'
- Then 'Local Superclusters'
- Then only 'Observable Universe'
With today's technology, we can't even reach the Mars which is estimated to be around 54.6 million km from Earth when it is the closest.
The Sun is really just too big to handle already.
This suggests that the human body which is formed from earth, water, fire and air elements is a limitation when it comes to the concept of higher terrestrial.
Therefore, with this new version of space shuttle, it is expected to bring men to Mars by 2021 the earliest. Its first unmanned test flight is expected to be in 2017 from the Kennedy Space Center.
The new rocket, known as the Space Launch System (SLS), is more powerful than the giant Saturn V rockets that launched astronauts to the Moon.
We are still a long way from the Superman concept.
We need to move beyond the Solar system to check things out, please!