The Sun is scrutinized from every angle, whether from the ground or by probes set out to meet it. But there are still very poorly known areas: the poles. However, it is these parts of our star that are crucial for understanding the phenomena that take place there. For researchers, this is the next frontier to overcome. It … Continue reading The poles of the Sun are the next frontier to cross
If the Earth is closer to the Sun in winter, why is it colder?
Our planet is at perihelion: it is closest to the Sun on January 4, 2023. However, it is winter in the northern hemisphere. Why are we cold at this time, if the Earth is closer to the star? Here we are closer to the Sun than we will ever be in 2023. This Wednesday, January 4, the Earth … Continue reading If the Earth is closer to the Sun in winter, why is it colder?