Physicists mimic gravity inside the sun using sound waves

Physicists mimic gravity inside the sun using sound waves

[ad_1] Physicists have replicated the kind of gravitational field found in or near the sun using sound waves inside a sphere of hot plasma, creating a field analogous to gravity that is able to overcome the effect of Earth’s gravity that can drag such...
Another Russian Spacecraft is Leaking Coolant

Another Russian Spacecraft is Leaking Coolant

[ad_1] Roscosmos appears to be having some issues with a spacecraft again. In December, the Soyuz MS-22 spacecraft that delivered three crewmembers of Expedition 68 to the International Space Station (ISS) reported a leak in its coolant loop. On February 11th,...

Chelyabinsk a decade on: the Sun’s invisible asteroids

[ad_1] No one saw the Chelyabinsk meteor of 15 February 2013 coming – the largest asteroid to strike Earth in over a century. Just after sunrise on a sunny winter’s day, a 20-metre, 13 000 tonne asteroid struck the atmosphere over the Ural Mountains in Russia at a...