What kind of a star is called White Dwarf?

What kind of a star is called White Dwarf?

The stars we see in our night sky are not all the same, though they look very similar to our limited view. Some of the stars we see are actually planets, while other points of light might even represent stars that have died long before their light reaches us. Plus, stars themselves … Read more

What is the weight of the planet Earth? Is it constant or increasing?

What is the weight of the planet Earth? Is it constant or increasing?

Our planet is suspended in space, which means that its weight would differ in different gravitational fields. For example, in Earth’s gravitational field some object weighs, say, 1 kilogram, but the same object on the Moon (i.e. in the Moon’s gravitational field) would weigh 1/6 of its weight on the Earth. That … Read more