Tag Archives: Stars

A nearby river of stars

by Staff Writers, Space Daily

Astronomy and Astrophysics publishes the work of researchers from the University of Vienna, who have found a river of stars, a stellar stream in astronomical parlance, covering most of the southern sky. The stream is relatively nearby and contains at least 4000 stars that have been moving together in space since they formed, about 1 billion years ago.

Continue reading A nearby river of stars

Cold Dark Matter Is Heated Up By Stars, Even Though It Cannot ‘Feel’ Them

by Ethan Siegel, Forbes

One of the great cosmic mysteries of our time is the presence and existence of dark matter. Unlike normal matter, which is made of known particles that can emit, absorb, or otherwise interact with light and the other known particles, dark matter simply passes through both itself and everything else. It is completely invisible, as far as we can tell, except for one effect: it appears to have a gravitational mass. It affects the curvature of spacetime, and holds galaxies, clusters of galaxies, and the great cosmic web together.

Continue reading Cold Dark Matter Is Heated Up By Stars, Even Though It Cannot ‘Feel’ Them

Whirlpool Galaxy: A wonder of stars in space

by Ellen Michals, Todays in Tech

In past, we can only see the sun, the moon, and stars. The advancements in science took place and made people able to see and study the solar system. Further developments made scientists able to study the Milky Way Galaxy. Science is getting advance with time and is finding its way in space step by step. Space is full of different wonders. At present, scientists have found one such wonder named as Whirlpool Galaxy.

Continue reading Whirlpool Galaxy: A wonder of stars in space

Why Do Stars Appear To Be Stationary If The Galaxy Is Constantly Moving?

by Ashish, Science ABC

If you are into stargazing and astronomy, in general, then you probably know that the Milky Way, i.e., the galaxy of which we are a part, is constantly moving. Our planet, the sun, the solar system and our entire galaxy is constantly revolving. More specifically, the arms of the galaxy are moving through space, so the sun and our solar system travel with them.

Continue reading Why Do Stars Appear To Be Stationary If The Galaxy Is Constantly Moving?