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Displaying 4 Articles

The Sun’s Internal Clock – Exploring Solar Cycles

Even if the Sun always looks the same to us, sunspots—whose sizes vary—were already identified back in the 18th century. The effort to understand what causes these changes led to a fascinating journey into the Sun’s activity cycles and the influence of the planets on it.

calendar 5.5.2025
reading-time 7 minutes

The Sun is Close, the Moon is Old: This Week in Space

A spacecraft sets a new record for a Sun flyby, NASA privatizes space communication, a new study reveals the Moon’s age, educational astronomy, and a unique ring. This Week in Space

calendar 2.1.2025
reading-time 10 minutes

The Giant Spinners of the Universe

From small asteroids to giant galaxies – our universe is a spectacular display of rotating objects

calendar 21.1.2024
reading-time 16 minutes

Can a laser beam be used to stop an asteroid by producing an opposite momentum (velocity and mass)? Or

A laser beam is a ray of light with high intensity generated through the stimulated

calendar 23.2.2012
reading-time 4 minutes