科学与环境
Gamma-ray search sets new limits on dark matter annihilation in the inner Milky Way
来源: Phys.org - latest science and technology news stories · 发布于
Dark matter could be a type of matter in the universe that does not emit, absorb or reflect detectable light and appears to interact very weakly with regular matter. Although physicists have observed gravitational effects attributed to dark matter, they have not yet been able to
Dark matter could be a type of matter in the universe that does not emit, absorb or reflect detectable light and appears to interact very weakly with regular matter. Although physicists have observed gravitational effects attributed to dark matter, they have not yet been able to determine what it is made of.
相关报道
Research roundup: 6 cool science stories we almost missed
It’s a regrettable reality that there is never enough time to cover all the interesting scientific stories we come across. So every month, we highlight a handful of the best stories that nearly slipped through the cracks. September’s list includes a tantalizing hint of the elusiv
Ars Technica - All content ·
Milky Way may have begun as thousands of galaxies, new simulations suggest
In the early days of the universe, our home looked very different from how it does today. Back then, the region in our universe that would eventually become our Milky Way neighborhood was a collection of thousands of smaller galaxies—some pumping out tons of new stars, others fil
Phys.org - latest science and technology news stories ·
Why cheap power could matter more than clean power in the push for net zero
The question of how important making our electricity clean is to going green is coming under increasing scrutiny
feeds.bbci.co.uk ·
Too many males to choose from can overwhelm female frogs—and change who gets to mate
If you've ever felt overwhelmed by menu options at a restaurant, cereal varieties at the grocery store or potential partners while scrolling through dating apps, you've experienced choice overload.
Phys.org - latest science and technology news stories ·
Taste shapes support for climate-friendly school meals
Students in a new study were neither clearly positive nor negative about more climate-friendly school meals. Whether the food tasted good, was filling and felt familiar played an important role. Students were somewhat more positive about reducing the amount of meat in recipes tha
Phys.org - latest science and technology news stories ·