NASA catat ledakan radio surya selama 19 hari yang belum pernah terjadi sebelumnya

Para ilmuwan NASA mengamati ledakan radio surya yang berlangsung selama 19 hari pada Agustus 2025, jauh melampaui rekor sebelumnya yang hanya lima hari. Peristiwa ini dilacak menggunakan beberapa wahana antariksa di seluruh tata surya dan dikaitkan dengan struktur helmet streamer pada Matahari.

Sinyal yang berkepanjangan ini diidentifikasi sebagai ledakan radio Tipe IV, yang dihasilkan oleh elektron berenergi tinggi yang terperangkap dalam medan magnet Matahari. Para peneliti menggabungkan data dari misi STEREO, Parker Solar Probe, dan Wind milik NASA bersama dengan Solar Orbiter milik ESA dan NASA untuk mengikuti ledakan tersebut seiring rotasi Matahari.

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Western Europe’s first total solar eclipse since 1999 is scheduled for 12 August. Researchers will use the event to study the Sun and Earth’s atmosphere with low-cost experiments from ground, air and balloons.

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Scientists with the SETI Institute have completed a radio search of the interstellar object 3I/ATLAS but detected no signs of extraterrestrial technology. The observations, conducted with the Allen Telescope Array, confirmed the object's natural origin.

NASA's Fermi Gamma-ray Space Telescope has detected gamma-ray signals from the superluminous supernova SN 2017egm, providing evidence that it was powered by a rapidly spinning magnetar. The discovery marks the first confirmed gamma-ray detection from such an extreme stellar explosion. The findings were published in the journal Astronomy & Astrophysics.

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A total solar eclipse on 12 August 2026 will offer opportunities for public participation in scientific research across Europe and surrounding regions. Several citizen science initiatives invite volunteers to contribute data during the event and year-round.

Nasa has released images captured by the Psyche spacecraft during its recent flyby of Mars. The photos were taken as the probe used the planet's gravity to adjust its trajectory toward the asteroid 16 Psyche.

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A Chinese team has reported achieving 14 hours of continuous operation for a satellite engine during testing.

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