Sean raymond
6 articles-
Comets Are More Dangerous Than We Thought
Could a comet, not an asteroid, have killed the dinosaurs? -
We’re the Cosmic 1 Percent But Our Solar System Isn’t a Complete Weirdo
About half of all stars seem to have “super-Earth” planets on orbits closer to their stars than Mercury is to the Sun, but we don’t.Illustration by Vadim Sadovski / Shutterstock Is Earth unique? Once a grand philosophical question, it has, over the past two decades, become, with the discovery of thousands of planets around other […] -
The Sight of Jupiter and Saturn Together Is a Beautiful Thing
A conjunction is a good time to reflect on our cosmic heritage, and on the long shadows cast by the gas giants.Illustration by SN VFX / Shutterstock Today, December 21, Jupiter and Saturn will appear extremely close to each other in the sky, less than a tenth of a degree apart, about one fifth the […] -
The Genetics of the Earth and Moon
Imagine that two very similar-looking neighbors undergo a genetic test. The exam shows that the pair’s genetic fingerprints are virtually identical. They feel a flash of shock and excitement. What does this mean? Could they be long-lost twins, separated in a hospital mixup?The Earth and Moon share a similar issue, one that poses a major […] -
Give Thanks to Jupiter, our Little Planet’s Big Protector
Jupiter is famous for its Great Red Spot, but the stormy planet may also be responsible for keeping the inner solar system calm.NASA/JPL You are special, just like your parents used to tell you. You are a rare flower, a unique snowflake. Just like everyone else. Nautilus Members enjoy an ad-free experience. Log in or […]
