The tantalum isotope, Ta-180m, is found naturally in a long-lived excited state. However, the radioactive decay of this excited state in Ta-180m has never been observed.
Tag: Radioactive Decay
Best Region For Life on Mars Was Far Below Surface
The most habitable region for life on Mars would have been up to several miles below its surface, likely due to subsurface melting of thick ice sheets fueled by geothermal heat, a Rutgers-led study concludes. The study, published in the journal Science Advances, may help resolve what’s known as the faint young sun paradox – a lingering key question in Mars science.