Elon Musk's proposal for a million-satellite AI constellation raises concerns regarding the permanent loss of precious metals and materials. Annual decommissioning of 200,000 satellites could result in significant resource depletion, equivalent to mining large asteroids.
Researchers simulated using a 1-megaton nuclear device against a 160-metre asteroid to test nuclear disruption as a last-resort planetary defence option when early detection fails.
O Observatório do Pico dos Dias, maior complexo astronômico do Brasil na Serra da Mantiqueira, completa mais de quatro décadas de pesquisas sobre estrelas, exoplanetas e pequenos corpos celestes.
Simulations reveal a 3-megaton nuclear explosion could completely blast apart a 100-meter asteroid. Burying the bomb 30 meters deep significantly enhances its effectiveness, tripling the change in the asteroid's speed and offering a more precise two-step deflection method.
A new study suggests the asteroid impact that led to the Cretaceous-Paleogene extinction was made catastrophic by a dust cloud that superheated the atmosphere, causing instant charbroiling of organisms and widespread wildfires.
Chińscy astronomowie opracowują projekt obrony planetarnej, który zakłada wysłanie dwóch sond kosmicznych. Jedna z nich uderzy w asteroidę 2015 XF261, by zmienić jej orbitę i rozbić strukturę, a druga będzie monitorować eksperyment planowany na około 2030 rok.
NASA's Psyche spacecraft successfully performed a Mars gravity assist in May, capturing thousands of images of the Red Planet, including its crescent view and icy south pole. The maneuver boosted its speed and adjusted its trajectory towards the asteroid Psyche, which it is expected to reach in 2029.
China's planetary defense mission aims to alter an asteroid's orbit or break its structure with a spacecraft impact at over 9km/s. The mission, led by Li Mingtao of CNSA, is expected to target an asteroid near Earth in 2029 or 2030.
Aviator Wally Funk died at 87. The US Department of Defense released a fourth batch of declassified UFO files. China's Tianwen-2 space probe reached asteroid 2016HO3 and sent back its first image.
La misión china Tianwen-2 ha capturado las primeras imágenes cercanas del asteroide Kamo'oalewa, un cuasisatélite de la Tierra descubierto en 2016. El objetivo es recoger muestras para analizar su origen, debatiéndose si es un fragmento lunar o un asteroide del cinturón principal.
JAXA's Hayabusa2 mission successfully altered an asteroid's orbit, demonstrating advanced technology to potentially deflect Earth-bound threats. Mission control confirmed the spacecraft responded perfectly to commands from 100 million km away.
A compilation of recent scientific discoveries and astronomical events, including identified repeating radio signals from space, mysterious compounds on Pluto and Titan, an observable giant asteroid, a study on Earth's fate, a detailed image of the Milky Way's center, new insights into the universe's uniformity, satellite data on Venezuelan earthquakes, a global fungal map, and a new fossil axolotl species.
Apophis asteroidi, 13 Nisan 2029'da Dünya'ya 31.600 km mesafeden geçecek. Bilim insanları, uygun koşullarda milyonlarca kişinin bu tarihi olayı çıplak gözle izleyebileceğini belirtti.
Çin'in Tianwen-2 uzay aracı, Dünya'nın nadir "yarı uydularından" Kamoʻoalewa'nın ilk yakın plan görüntülerini gönderdi. Gökbilimciler, asteroidin Ay'dan kopmuş bir parça olup olmadığını ve yapısını inceleyecek.
Asteroid 99942 Apophis will pass 31,600 km from Earth on April 13, 2029, becoming visible to the naked eye globally. Initially feared as a threat, it's now a research opportunity to study its internal response to Earth's gravity.
Asteroid Apophis will make a historically close, yet safe, flyby of Earth on April 13, 2029, visible to the naked eye globally. Scientists are preparing to study its behavior under Earth's gravitational influence.
La sonda Hayabusa2 de la JAXA realizó un sobrevuelo de prueba a 800 metros del asteroide Torifune para evaluar tecnologías de desvío de rocas espaciales peligrosas, recopilando datos cruciales para la defensa planetaria.
Japan's Hayabusa2 spacecraft successfully flew by asteroid Torifune as part of an extended mission. Hours later, China's Tianwen-2 arrived at asteroid Kamoʻoalewa, aiming to collect samples and return them to Earth by late 2027.
China's Tianwen-2 spacecraft has begun scientific exploration of asteroid 469219 Kamo‘oalewa (2016 HO3), which appears smaller than previously estimated, measuring about 20-30 meters across instead of 40-100 meters.
Der Komet 3l/Atlas, ein Besucher aus einem anderen Planetensystem, ist mindestens doppelt so alt wie unsere Sonne. Beobachtungen zeigen, dass er in der Umgebung eines jungen Sterns einer früheren Generation entstanden sein muss.
Researchers identified the source of mysterious repeating radio signals from space. A global map of the fungal network supporting plant life and climate regulation was created. The Euclid space telescope captured a detailed image of the Milky Way's center. A new fossil axolotl species was found in Mexico. Earthquakes in Mexico, Norway, and Venezuela were documented, with seismic activity linked to sports victories and seismic doublets. Satellite imagery revealed the impact of Venezuelan earthquakes and how space lasers can track crustal shifts.
China's Tianwen-2 space probe has reached the near-Earth asteroid Kamo'oalewa after a 400-day journey. Launched in May 2025, the mission aims to collect asteroid samples, a first for China, potentially offering insights into solar system formation.
Chinas "Tianwen 2"-Sonde hat nach 400 Tagen Flug den Asteroiden Kamo'oalewa erreicht. Sie sammelt Proben zur Erde, die 2027 landen sollen. Danach fliegt die Sonde weiter zum Kometen 311P.
Chinas Raumsonde Tianwen-2 hat nach rund 400 Tagen Flug den erdnahen Asteroiden Kamo'oalewa erreicht. Die Sonde soll Proben sammeln und zur Erde bringen, was China zum dritten Land machen würde, das Asteroidenmaterial zur Erde bringt.
