What role does radioactivity play in the formation of our solar system?

The exoplanet HD 199546 b, orbiting around the star HD 1000546 in our galaxy Hilky Way, is supposed to be the largest known exoplanet. It is 6.9 times...

The supermassive black hole is situated in the center of the Milky Way (our galaxy) and is 26,000 LIGHT YEARS apart. The distance between the solar system and the center...

is one of about 200 billion stars (or perhaps more) within the Milky Way Galaxy. So far, astronomers have found more than 500 solar systems and are discovering new...

The Sun is by far the largest object in our solar system. Our Sun however, is a fairly average star. There are much bigger stars in our galaxy. In particular...

Our solar system is moving along with the galaxy of course. It is also moving, though rather slowing, within the galaxy. We do not have a good grasp of other...

It is 4.243 light years away from Sun. Converted into miles it will be 24903007458000 miles.

A solar system is when one or more planets revolves around a star of any kind. The universe is full of solar systems, because stars are almost always big enough...

Rotation of Sun makes day nights and revolution of earth around Sun makes seasons due to axial tilt. Changing position of Moon makes tides. Other planets like Jupiter may...

We tend to use the word sun for our star and the word star for others. Though it is also common to refer to a planet's sun for exoplanets. It...

It is simply known as "the cloud", technically it is not a cloud as there is no atmosphere in outer space.