Five themes to explore the universe with L'ideatorio

Maurizio Vannetti of L'ideatorio was recently a guest on RSI's radio broadcast "I Ciclostilabili", hosted by Manuela Bieri. The programme consists of five episodes that explore current affairs, culture, and lifestyle topics. On this occasion, Vannetti took the audience on a fascinating journey through themes inspired by the shows at L'ideatorio's planetarium: the Moon, Mars, the Sun, alien life, horoscopes and the September sky.

In the segment focused on Mars, the discussion began with the moon and the upcoming space missions associated with it, exploring future possibilities. From there, the conversation shifted to the logistical challenges that a journey to Mars would present, as well as the prospects for its eventual colonisation.

The Sun is regarded as a constant presence in everyone's life, yet it is also a subject of scientific study that we often overlook. Recently, attention has turned to the spectacular Northern Lights, which were even visible in Ticino last year. This stunning phenomenon occurred due to a peak in solar activity, which is expected to last until the end of 2025. While the beauty of this natural display is captivating, Vannetti also highlighted the potential risks associated with such intense solar activity.

The conversation about alien life led to one of humanity's biggest questions: the existence of other forms of life in the universe. A significant number of planetarium visitors believe that "someone" is out there. Science, given the vastness of the universe, does not dismiss this possibility. However, the question remains: what kind of life might exist—advanced or primitive? While humans have sent signals and capsules into space, we have yet to intercept any responses.

With the horoscope, the guest reflected on the human need to seek answers in the sky. Vannetti recalled how, over the centuries, the constellations have changed their positions and observation times to the point that today's zodiac signs no longer correspond perfectly to the traditional months. This reflection combines history, culture and the desire to interpret the cosmos.

Finally, Vannetti took a look at the September sky, anticipating some upcoming astronomical events. On 7 September, there will be a total lunar eclipse, known as a "blood moon", which will already appear dark at sunset and return to its normal brightness around 11 pm. In the following days, the moon will be joined by Saturn (8 September), Jupiter (16 September) and Venus (19 September). September will also mark the return of the Pleiades, the famous “seven sisters” celebrated in stories by both the Greeks and the Australian Aborigines—possibly the oldest narrative passed down through humanity.

The episodes of “I Ciclostilabili” featuring Maurizio Vannetti can be replayed online on the RSI website by clicking here.