资讯

Selecting the right spot to smash a spacecraft into the surface of a hazardous asteroid to deflect it must be done with great ...
The keyhole effect involves a small spatial region where a planet's gravity can alter the trajectory of a passing asteroid, allowing it to return on a collision course with that planet in the future.
Scientists caution that asteroid deflection must be precise, as striking the wrong spot risks sending it through a ...
Selecting the right spot to smash a spacecraft into the surface of a hazardous asteroid to deflect it must be done with great ...
Abstract: To improve the accuracy of external ballistic trajectory prediction to meet the needs of modern battlefields, a framework for optimizing the BP neural network combined with AdaBoost ensemble ...
For weeks, Elena Adams has been leading her team at the Applied Physics Laboratory (APL) in Laurel, Maryland, through ...
GameSpot may get a commission from retail offers. Path of Exile 2 is all about the loot. Whether you're just starting out and looking for the bare essentials or if you're in the endgame searching for ...
You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.
Russia is testing a hybrid of a strike drone and a guided projectile with a jet engine that flies to a target on a ballistic trajectory. The news was published by Russian media. Developed by the ...