What is a Planet?
This seemingly simple question doesn't have a simple answer. Everyone knows that Earth, Mars and Jupiter are planets. But both Pluto and Ceres were once considered planets until new discoveries triggered scientific debate about how to best describe them—a…
Nebular Hypothesis Of Laplace
French Mathematician Laplace propounded his Nebular Hypothesis in the year 1796. Laplace’s hypothesis is just the modified version of Kant’s hypothesis. Laplace propounded his hypothesis without mathematical formulation. In fact,…
Solar System Form?
Artist's conception of Earth's solar system Approximately 4.5 billion years ago, gravity pulled a cloud of dust and gas together to form our solar system. While scientists aren't certain of…
Benefits of Molecular Hydrogen
Molecular hydrogen is a gas with very unique and selective antioxidant effects.1 Tyler W. LeBaron is a world-class expert on molecular hydrogen, who has done research at Nagoya University in Japan,…
MOLECULAR CLOUD
The Eagle Nebula is the most famous example of a molecular cloud Dust and gas primarily in the form of hydrogen molecules are the main constituents of the coldest, densest clouds in the interstellar medium. These molecular…
Nuclear Fusion
It is a nuclear process, where energy is produced by smashing together light atoms. It is the opposite reaction of fission, where heavy isotopes are split apart. Fusion is the process…
Life Cycle of a Star
Stars are formed in clouds of gas and dust, known as nebulae. Nuclear reactions at the centre (or core) of stars provides enough energy to make them shine brightly for many years. The exact…
STELLAR EVOLUTION
Stellar evolution is a description of the way that stars change with time. On human timescales, most stars do not appear to change at all, but if we were to look for billions…
What Are Redshift and Blueshift?
The visible light spectrum. Redshift and blueshift describe how light shifts toward shorter or longer wavelengths as objects in space (such as stars or galaxies) move closer or farther away…
What Is a Volcano?
Lava fountain at Kīlauea Volcano A volcano is an opening on the surface of a planet or moon that allows material warmer than its surroundings to escape from its interior. When this…
