NASA scientist explained why this Monday’s eclipse is so important – Diario La Página

2024-04-07 21:45:49

The powerful star that gives heat to an entire Solar System seems to go out when a round shadow hides it for a few minutes, this is what will happen this Monday when the moon comes between the sun and the Earth, causing the total solar eclipse 2024 .

This extraordinary event can be seen only in North America, Mexico, the United States and Canada. In that order, these three countries will be able to enjoy the 2024 Solar Eclipse, which promises to break all observation forecasts, due to the number of large cities that the astronomical phenomenon will pass through and also due to its duration, which will be more than 4 minutes.

To understand the global impact of this astronomical phenomenon, we spoke with Bea Gallardo-Lacourt, a NASA specialist in the interaction of the solar wind and the Earth’s magnetic field.

“This total solar eclipse implies that 100% of the Sun’s light will be covered by the Moon, which will pass between our planet and the star, revealing its crown. This event will give us the opportunity to see the Sun, our closest star, with an extremely unique level of detail,” explained the doctor in Atmospheric and Oceanic Sciences, from the University of California (UCLA), in Los Angeles.

“The most interesting thing about this eclipse is that unlike the one that occurred in 2017 in the United States, when our star was declining, in 2024 it is strengthening, according to the cycle it has. This increases their explosions and flares. It is a time when the solar corona is much more active, and where many richer observation experiments can be done,” said the specialist who joined NASA in 2019 as an affiliate of the Association of Space Research Universities (USRA). ).

Approximately every 11 years, the Sun’s magnetic field changes, causing a cycle of increasing and then decreasing activity. During solar minimum, there are fewer giant eruptions from the Sun, such as solar flares and coronal mass ejections. But during solar maximum, the Sun becomes more active.

Just as the NASA expert stated, in 2017 the Sun was approaching solar minimum. Viewers of the total eclipse were able to see the impressive corona. But because the Sun was “silent,” the flares flowing into the solar atmosphere were restricted to only the equatorial regions of the star.

The Sun is more magnetically symmetrical during solar minimum, causing this simpler appearance. But during the 2024 eclipse, the Sun will be at or near solar maximum, when the magnetic field is more like a “tangled hairball,” astronomers describe.

Flares are likely to be visible during corona. On top of that, viewers will be more likely to see bumps, which appear as bright pink curls or loops coming out of the sun. With luck, there might even be a chance to see a coronal mass ejection (a large eruption of solar material) during the eclipse.

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