The solar system formed from a cloud of gas and dust that contracted gravitationally, flattened into a disc shape, and gave birth to the Sun. Planets formed from tiny solid particles that collided and stuck together, with gas giants forming further out and rocky planets forming closer to the Sun. The solar nebula theory explains […]
Planetary nebulae occur when small to medium-sized stars near the end of their life, creating a cloud of escaping gases that glow in various colors. Over time, the gases dissipate, leaving behind a white dwarf. These phenomena play an important role in the formation of new stars. A planetary nebula is a phenomenon that occurs […]
The Orion Nebula is a famous and bright diffuse nebula located in the constellation Orion, containing over 700 stars in various stages of formation. It is part of the larger Orion Molecular Cloud Complex and was discovered in 1610 by Nicolas-Claude Fabri de Peiresc. The Orion Nebula is a diffuse nebula about 30 light-years in […]
