rocks

Mars has Been Through Many Ice Ages in the Last Billion Years

Like Earth, Mars has experienced periods of extreme glaciation or ice sheet coverage, which are known as ice ages. As…

6 months ago

Rocks on Bennu are Cracking Because of the Constant Day/Night Cycling

Asteroid Bennu is blanketed by rocks and huge boulders. And now that the OSIRIS-REx spacecraft is taking a close look…

1 year ago

Astronomy Cast Ep. 522: Judging Age & Origins, part 1 – Earth Rocks

People always want to know how old everything is. And more specifically, they want to know how we know how…

2 years ago

What is the Earth’s Mantle Made Of?

Like all the other terrestrial planets, (Mercury, Venus, and Mars) the Earth is made up of many layers. This is…

5 years ago

Could A Planet Be as Big as a Star?

How big do planets get? Can they get star sized? Everybody wants the biggest stuff. Soft drink sizes, SUV’s, baseball…

7 years ago

A New Look at Apollo Samples Supports Ancient Impact Theory

[/caption] New investigations of lunar samples collected during the Apollo missions have revealed origins from beyond the Earth-Moon system, supporting…

9 years ago

Were Martian Rocks Weathered by Water?

[/caption] There are many ways rocks can be textured. Wind erosion, water erosion, the escape of volcanic gases during their…

10 years ago

How Are Rocks Formed?

As a terrestrial planet, Earth is divided into layers based on their chemical and rheological properties. And whereas its interior…

12 years ago