rocks
There’s a Big Rock Stuck Inside one of Perseverance’s Wheels
It looks like the Perseverance rover has an unwanted passenger, a rock stuck inside one of its wheels. The image…
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…
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…
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…
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…
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…
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…
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…
How Are Rocks Formed?
As a terrestrial planet, Earth is divided into layers based on their chemical and rheological properties. And whereas its interior…