Since its inception more than four decades ago, Astronomy magazine — the sister magazine of Discover — has offered readers a ticket to travel into the cosmos. Now, we’re taking the next step by launching the Space & Beyond subscription box.
Starting today, you can order subscriptions for yourself and your loved ones on our website, www.spaceandbeyondbox.com.
Each box has a unique theme and is curated by the editors of our magazine to expand your understanding of the c ...read more
An ice core from Antarctica showing a thick layer of volcanic ash (grey). Oregon State University
The Earth's ice caps, in Greenland and Antarctica, are an invaluable record of climate over the past hundreds of thousands years. As each annual layer of snow falls, gets buried and eventually becomes glacial ice, it traps with it particles and gases from the time it fell. We use that record to examine how the atmosphere has changed.
This turns out to be one of the most important pieces of e ...read more
Author Vishay SinghPosted on Categories Discover Magazine