What’s happening to Comet 67P/Churyumov–Gerasimenko? As the 3-km wide comet moves closer to the Sun, heat causes the nucleus to expel gas and dust. The Rosetta spacecraft arrived at the comet’s craggily double nucleus last July and now is co-orbiting the Sun with the giant dark iceberg. Recent analysis of data beamed back to Earth from the robotic Rosetta spacecraft has shown that water being expelled by 67P has a significant difference with water on Earth, indicating that Earth’s water could not have originated from ancient collisions with comets like 67P. Additionally, neither Rosetta nor its Philae lander detected a magnetic field around the comet nucleus, indicating that magnetism might have been unimportant in the evolution of the early Solar System. Comet 67P, shown in a crescent phase in false color, should increase its evaporation rate as it nears its closest approach to the Sun in 2015 August, when it reaches a Sun distance just a bit further out than the Earth.
- Anti-AI: Disruption Has Officially Disrupted Disruption
- Saturn’s Rings Play Crucial Role In Heating Its Atmosphere
- Experts call for a Pause on AI Development
- Mystery Solved: Comet ‘Oumuamua’s Odd Trajectory Explained
- Cordyceps Zombie Fungus In The Last of Us: Is It Real?
- Dark Energy Could Cause Universe To Multiply Like Gremlins
- NASA’s Webb Telescope Discovers Massive Galaxies from Early Universe
- AI Chatbots Pose a Growing Threat of Disinformation
- Google Tracks You Even If You’re Not Signed In
- Best Way To Solve Global Warming? Methane-Eating Bacteria
Follow @CosmosoNet on Twitter