From the centuries to this day human beings has spent lives looking at the night sky for stars and get amazed by these shining bright pearls. In the past the humans wonder what these luminous things in the sky are. The ancient people used to associate the stars with heavens, with gods and goddesses and also that when a person died he become the star. And many of people still believe this. Every different culture relates stars according to their belief but mostly stars are seen as gods and goddesses.
What is space? is it a void place, gap between two objects, persons. according to Wikipedia Space is “Space is the boundless three-dimensional extent in which objects and events have relative position and direction. Physical space is often conceived in three lineardimensions“. But what space mean in cosmology? why our universe known as “Space”. Continue reading “Why is Universe known as Space?”→
A nebula (cloud of interstellar gas and dust) known as “The Spider” glows vividly green in an infrared image taken by NASA’s Spitzer Space Telescope and the Two Micron All Sky Survey (2MASS). The Spider nebula, officially named IC 417, lies near a much smaller object called NGC 1931, (not pictured in the image). Continue reading “The Spider Nebula and Young Stars”→