isotopes

Mars Was Too Small to Ever be Habitable

Mars and water. Those words can trigger an avalanche of speculation, evidence, hypotheses, and theories. Mars has some water now,…

2 months ago

What Did The Solar System Look Like Before All The Planets Migrated?

Early planetary migration in the solar system has been long established, and there are myriad theories that have been put…

10 months ago

We Know We’re Made of Stardust. But Did it Come From Red Giants?

We've all heard this one: when you drink a glass of water, that water has already been through a bunch…

2 years ago

Weekly Space Hangout – Mar 17, 2017: Stuart McNeill of the Intrepid Sea, Air & Space Museum

Host: Fraser Cain (@fcain) Special Guest: Stuart McNeill is the the Community Engagement specialist in charge of Family Programs and…

5 years ago

Astronomy Cast 323: Isotopes

The number of protons defines an element, but the number of neutrons can vary. We call these different flavors of…

8 years ago

Isotopes May One Day Aid In Planet Search

When we consider samples from the solar nebula, we think about comets and meteorites. These materials come from our solar…

8 years ago

More Evidence That Mars Lost Its Atmosphere

Although today Mars' atmosphere is sparse and thin -- barely 1% the density of Earth's at sea level -- scientists…

9 years ago

Did A Supernova Shape Our Solar System?

[/caption] Away in space some 4.57 billion years ago, in a galaxy yet to be called the Milky Way, a…

10 years ago