Mars is known as the red planet because it looks red from Earth. The reddish color comes from the high concentration of iron oxide compounds—that is, rust—in the...
At 58 million kilometers distance, Mercury is closest planet to Sun. Due this much proximity, mercury’s orbit is very much stretched into a long elliptical shape. Other important...
Stellar evolution is a complicated process. All stars go through the continuous change and their life cycle is made of immature stage, mature stage and final changes towards...
A nebula is a cloud or collection of interstellar medium in one location in space. Nebulae are produced in different ways. For instance, they can be gathered together...
A galaxy is a vast collection of stars, gas, dust, and dark matter that forms a cohesive gravitational unit in the universe. In a way, galaxies are to...