Comet G3 ATLAS: a Tail and a Telescope
…southern hemisphere observers, the comet’s bright coma has become diffuse, its icy nucleus apparently disintegrating following its close approach to the Sun. Growing Gallery: Comet ATLAS (G3) Courtesy of NASA…
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The Many Tails of Comet G3 ATLAS
…gas being expelled from the comet’s rotating nucleus. The outward push of the Sun’s complex solar wind may also play a role. The huge iceberg-like nucleus of Comet ATLAS appears…
New Comet SWAN25B over Mexico
Copyright: Daniel Korona A newly discovered comet is already visible with binoculars. The comet, C/2025 R2 (SWAN) and nicknamed SWAN25B, is brightening significantly as it emerges from the Sun’s direction…
Why Rocket Launches Don’t Go Straight Up: Understanding Rocket Launch Trajectories
…and in real-time. These systems rely on the use of sensors, computers, and GPS technology to ensure that the spacecraft follows the most efficient path to complete its mission objective,…
Comet ATLAS over Brasília
Copyright: What’s that in the sky? Above the city, above most clouds, far in the distance: it’s a comet. Pictured, the impressive tail of Comet C/2024 G3 (ATLAS) was imaged…
Two Camera Comets in One Sky
…eye. Each comet has a greenish coma of expelled gas and an ion tail pointing away from the Sun. Growing Gallery: Comet SWAN25B Courtesy of NASA Astronomy Picture of the…
Interstellar Comet 3I/ATLAS
…Comet 3I/ATLAS remains unknown. Although initial activity indicates a relatively normal comet, future observations about 3I/ATLAS’ composition and nature will surely continue. Piece it All Together: Astronomy Puzzle of the…
Comet C/2025 R2 (SWAN)
…comet was surprisingly bright but understandably difficult to see against the Sun’s glare. Still close to the Sun on the sky, the greenish coma and tail of C/2025 R2 (SWAN)…
3I ATLAS: Tails of an Interstellar Comet
…a comet, a meteor, and a gas wind dominated by hydrogen and helium. Comet 3I/ATLAS appears relatively normal when compared to Solar System comets, therefore providing more evidence that our…
OHB Establishes European Moonport Company
German space technology company OHB announced on 4 February that it has established a new subsidiary, the European Moonport Company, to consolidate all its efforts related to future missions to…
Comet G3 ATLAS over Uruguay
Copyright: Mauricio Salazar Comets can be huge. When far from the Sun, a comet’s size usually refers to its hard nucleus of ice and rock, which typically spans a few…
