Here are today’s most important updates from the realm of Science and Space. Twilight Surprise: A Never-Seen-Before Radiation Unveiled by Scientists Scientists from HSE University in Russia and the Space Research Institute of the Russian Academy of Sciences have unveiled a mysterious new form of radio emission from near-Earth space, termed the hectometric continuum (HMC). This discovery, based on seven years of data from Japan’s ERG (Arase) satellite, reveals that this unique radiation appears a few hours after sunset and vanishes one to three hours after sunrise. HMC is a natural electromagnetic radiation occurring in the frequency range of 600-1700 kHz (kilohertz), far below the broadcasts of conventional radio stations. These radio waves cannot be detected from the ground because the ionosphere absorbs them, making satellite observation essential. The radiation follows a distinct daily pattern: it is absent during daylight hours because solar radiation increases plasma density, suppressing the conditions ...
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Here are today’s most important updates from the realm of Science and Space. ISRO’s Cosmic Catch: Stunning Close-Up of Hyperfast 3I/ATLAS Revealed...