<p>Sixty-six million years ago, Earth was a tropical greenhouse. Today, it’s an ice-capped world. And an international team of experts led by the University of Southampton think they know why. Their new study shows that Earth’s massive drop in temperature after the dinosaurs went extinct could have been caused by a large drop in calcium levels in the ocean. The study showed that the dramatic calcium shift<a class="more-link" href="https://www.astronomy.com/science/why-did-earths-greenhouse-age-end/">Continue reading <span class="screen-reader-text">"Why did Earth’s greenhouse age end?"</span></a></p>
<p>The post <a href="https://www.astronomy.com/science/why-did-earths-greenhouse-age-end/">Why did Earth’s greenhouse age end?</a> appeared first on <a href="https://www.astronomy.com">Astronomy Magazine</a>.</p>
Sixty-six million years ago, Earth was a tropical greenhouse. Today, it’s an ice-capped world. And an international team of experts led by the University of Southampton think they know why. Their new study shows that Earth’s massive drop in temperature after the dinosaurs went extinct could have been caused by a large drop in calcium levels in the ocean. The study showed that the dramatic calcium shiftContinue reading “Why did Earth’s greenhouse age end?”
The post Why did Earth’s greenhouse age end? appeared first on Astronomy Magazine.