It’s not specific to those dates, but six planets are now in the night sky, four of them visible to the naked eye. Sky chart showing the planetary lineup visible after dark in January 2025.

Photograph by Garcia Julien, Getty Images We also enjoy protection from Earth's magnetic field, generated by our planet's rotation and its iron-nickel core. This teardrop-shaped field shields ...

Without a substantial atmosphere to distribute heat away from the areas facing the Sun, the planet's slow rotation makes for stark differences in temperature between its dark and light sides. The side ...

It spins at 1000 miles an hour, taking 24 hours to complete a full rotation. Relentlessly travelling through space, it undertakes a full orbit of the Sun every year, giving the planet its seasons.