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How the Solar System led planet-hunters astray
How the Solar System led planet-hunters astray
The structure of our Solar System has been known for centuries. When we finally started finding exoplanets, they surprised everyone.
Ethan Siegel
Jul 10
The scientist’s 10 commandments
The scientist’s 10 commandments
There are many things that separate science from ideology, politics, philosophy, or religion. Follow these 10 commandments to get it right.
Ethan Siegel
Jul 9
The epic race inside the Pillars of Creation is almost over
The epic race inside the Pillars of Creation is almost over
The last infant stars are finishing their formation inside these pillars of gas. The evaporation of those columns is almost complete.
Ethan Siegel
Jul 8
Ask Ethan: Why is it darker during Winter than Summer?
Ask Ethan: Why is it darker during Winter than Summer?
Sure, there’s less daylight during Winter than Summer, as your hemisphere is tilted away from the Sun. But darkness goes deeper than that.
Ethan Siegel
Jul 5
The only two “arrows of time” we have don’t match
The only two “arrows of time” we have don’t match
Our thermodynamic arrow of time explains why the entropy of any isolated system always increases. But it can’t explain what we perceive.
Ethan Siegel
Jul 4
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