Dark matter cannot be seen or detected not yet anyway, however scientists are pretty sure that dark matter exists, they just haven’t found a way of proving it yet. Scientists believe that normal matter that we can see makes up only a small portion of the universe, and that a very large portion of the Universe is made up of what is called dark matter.
Astronauts are space travelers and so are cosmonauts. Why are they referred to with different titles? Reason in nationality. Space travelers from today’s Russia and erstwhile Soviet Union were called…Read Full Article
A century ago Albert Einstein had envisioned gravitational waves. Finally astronomers have made a discovery confirming existence of gravitational waves. Background hum of the universe discovered by astronomers is creation…Read Full Article
Liquid water is prerequisite for extraterrestrial life. Any exoplanet to qualify as habitable would need liquid water. Till now even in our own solar system no body other than earth…Read Full Article