“Where are the aliens?” That’s the question that Enrico Fermi asked along with some other collaborators. He wondered…, considering how vast the universe is, shouldn’t it be the case that we would already have evidence of the existence of life forms outside Earth?
Gravity, the attractive force between two masses, is what keeps us close to the earth, given the gravitational effect it exerts on us. To get rid of Earth’s gravity, you need an opposite force. It is the escape velocity what’s required to make it
Most of the concepts in science are clear and easy to associate with our daily life, but there are concepts and theories that are often misinterpreted.
The song “twinkle, twinkle little star”, is a children’s classic; which describes how a star changes its brightness. This description of a star has a connotation that, from the point of view of astrophysics and astronomy, is a big problem.
The Nobel Prize is the most prestigious recognition in several fields in Sciences and Humanities, it is awarded to people who have achieved remarkable discoveries or actions. However, this award is not immune to casual discoveries; one example is that of Arno Penzias and Robert Wilson.