When you see the size of small astronomical instruments sold in specialty stores, they only impress novices. On the other >>
Category: Astronomy
Sky Surveyors
As the day dies, on the promontory of a mountain at the forefront of the universe, a dome opens. In >>
The Galilean Glasses
At the same time, Galileo turned his “optical tube” to the sky and invented the telescope. She was growing 30 >>
History of Astronomy Part I
Astronomy goes back thousands of years. It is likely that it originated in prehistoric times when our ancestors wondered about >>
What is the Universe?
We must try to understand that the universe is something really gigantic, bigger than anything you can imagine! Even researchers >>
The Quasar
Visually, the quasars look like bluish stars a little blurry but unlike the stars, they are among the farthest objects >>
Collisions Between Galaxies
As the galaxies get closer to each other, they can collide. But as you can see by observing the stars >>
Clusters of Galaxies
Galaxies contain tens or hundreds of billions of stars like the Sun and all this mass attracts nearby galaxies. They >>
Deep in the Cosmos
Our galaxy, the Milky Way, is isolated in space but it is not alone. The galaxy closest to us is >>
The Death of a Star
When a star becomes a white or red dwarf, its size is no greater than that of the Earth and >>