tree rings
How Bad Can Solar Storms Get? Ask the Trees
One of the many threats facing space travellers and indeed our own planet is that of Solar Storms. At their…
4 weeks ago
Rings Inside a Martian Crater Reveal its Ancient History
Is this a closeup look at a tree stump, or an orbital view of an impact crater? At first glance,…
3 years ago
Tree Rings Reveal 1,000 Years of Solar Activity
The Sun has a lot of rhythm and goes through different cycles of activity. The most well-known cycle might be…
4 years ago