Topic

Space

3 articles tagged “Space”.

Science

What Actually Causes the Seasons

It is not distance from the Sun — in fact Earth is closest to the Sun in early January, during northern winter. The real mechanism is a 23.4° tilt doing two things at once, and one of them is easy to overlook.

The BlogsPublication Team7 min
Science

How We Know the Age of the Earth

4.54 billion years, give or take 50 million. The strange part is that the number comes from meteorites rather than Earth rocks — and the reason why is the most interesting thing in the whole story.

The BlogsPublication Team8 min