Copernical Team
The hunt for mysterious 'Planet Nine' offers up a surprise
It's an evocative idea that has long bedevilled scientists: a huge and mysterious planet is lurking in the darkness at the edge of our solar system, evading all our efforts to spot it.
Some astronomers say the strange, clustered orbits of icy rocks beyond Neptune indicate that something big is out there, which they have dubbed Planet Nine.
Now, a US-based trio hunting this elusive world China launches space probe seeking asteroid samples: Xinhua
China on Thursday launched a space probe on the country's first mission to retrieve samples from an asteroid and bring them home for research, the Xinhua state news agency reported.
Beijing has ploughed billions of dollars into its space programme in recent years in an effort to achieve what President Xi Jinping describes as the country's "space dream".
It has built a space station orbit 5 things we learned in EarthCARE’s impressive first year
5 things we learned in EarthCARE’s impressive first year
Dust, light, action
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Lights and dust for a Moon shot Demonstrating lunar surface Raman spectroscopy with the Raman cube rover
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China launches space probe seeking asteroid samples
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How to capture moon landing videos—from grainy to HD
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A new nuclear rocket technology takes another step forward
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MTG-S and Sentinel-4 undergo pre-launch manoeuvres
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Following the arrival at Cape Canaveral in Florida, US, the Meteosat Third Generation Sounder satellite and the Copernicus Sentinel-4 instrument on board are currently being tested and prepared for launch, scheduled in July 2025. New gravity test using 3D velocities of wide binaries backs modified Newtonian dynamics
Astrophysicist Kyu-Hyun Chae of Sejong University has developed a new technique to test gravity at very low accelerations using the full 3D velocities of wide binary stars. Unlike previous methods limited to 2D sky-projected data, Chae's approach leverages Bayesian inference and Markov Chain Monte Carlo simulations to derive the probability distribution of a gravity parameter directly from relat