Solar Fields

Researchers have, for the first time, detected radio waves coming from a planet outside the solar system. The signal is reported to indicate the presence of a powerful magnetic field around the exoplanet, a finding that could deepen understanding of planetary environments beyond our own. The detection is drawing attention in Japan and among astronomy enthusiasts.

A massive tsunami-like wave has torn across the Sun, sending a cloud of plasma toward Earth, according to Italian weather site MeteoWeb. The event could produce polar auroras visible at high latitudes if the charged particles reach Earth's magnetic field, prompting interest among skywatchers and space weather watchers.

Scientists have found that the Sun's upper atmosphere rotates faster than the layers beneath it, a finding described as challenging classical physics. The discovery, reported by Indian broadcaster DD News, contradicts long-standing models that expected the outer layers to rotate more slowly. Researchers say the result could force a rethink of how the Sun's magnetic field and plasma behave, with implications for understanding stellar physics more broadly.

Researchers at Harvard report the first detection of radio signals originating from an exoplanet outside our solar system. If confirmed, the finding would mark a new way of studying distant planets, since radio emissions can reveal information about a planet's magnetic field and environment that optical telescopes cannot easily capture. Astronomers are expected to seek independent verification of the observation before drawing conclusions about its source.

A Massachusetts dairy farmer came close to selling an 11-acre portion of his land that cannot be farmed to Walmart, but instead chose to keep the parcel and install a solar array on it. The story highlights how farmers with unusable fields are weighing offers from large retailers against renewable energy projects that let them keep ownership of their land while generating income.

A new study published in Nature examines the coronal origin of magnetic switchbacks, the sharp zigzag reversals in the Sun's magnetic field carried by the solar wind. Researchers address a long-standing question about whether these folds form in the solar atmosphere or arise later in transit, with implications for understanding how the Sun heats its corona and accelerates the solar wind.

Solar storms and flares are back in the public conversation, with questions raised about whether they pose any danger to people. The core question: can solar activity affect human health? The short answer from scientists is that Earth's magnetic field and atmosphere shield us from harmful radiation, though strong storms can disrupt power grids, satellites and communications systems.

The European Space Agency's Solar Orbiter mission has tracked the origin of mysterious magnetic switchbacks, sudden zig-zag deviations in the solar wind's magnetic field that have puzzled scientists for decades. The finding offers new insight into how the Sun's magnetic field behaves as it streams outward into the solar system.

Charged solar particles interacting with Earth's magnetic field produce auroras, the atmospheric light displays seen at high altitudes. The phenomenon occurs when these particles collide with oxygen and nitrogen atoms in the thermosphere, releasing energy as distinct colours in the sky. Science communicators are sharing explanations of the physics behind the displays, renewed interest likely driven by recent visible aurora events at unusually low latitudes.