mass

New Technique Puts Exoplanets on the Scale

Astronomers constantly probe the skies for the unexpected. They search for unforeseen bumps in their data — signaling an unknown…

10 years ago

When Is a Star Not a Star?

When it's a brown dwarf -- but where do we draw the line? Often called "failed stars," brown dwarfs are…

10 years ago

The Secret of the Stars

"Say, do you like mystery stories? Well we have one for you. The concept: relativity." Well look at that, it's…

11 years ago

Astronomy Cast Ep. 269: Mass

Last week we talked about energy, and this week we’ll talk about mass. And here’s the crazy thing. Mass, matter,…

12 years ago

Atomic Mass Unit

[/caption] Believe it or not, there are actually several atomic mass units … however, the one that's standard – throughout…

14 years ago

Earth’s Mass

[/caption] The Earth's mass is 5.9736 x 1024 kg. That's a big number, so let's write it out in full:…

14 years ago

How Many Atoms Are There in the Universe?

It's no secret that the universe is an extremely vast place. That which we can observe (aka. "the known Universe")…

15 years ago