科学与环境
ALMA spots 'dragon egg' that may represent the earliest stages of massive star formation
来源: Phys.org - latest science and technology news stories · 发布于

Astronomers identified an exceptionally tiny core that may represent an early stage in the formation of a massive star. Located in an infrared-dark area called Dragon Cloud, the core is nicknamed the "dragon egg." The paper, accepted for publication in Astronomy & Astrophysics, w
Astronomers identified an exceptionally tiny core that may represent an early stage in the formation of a massive star. Located in an infrared-dark area called Dragon Cloud, the core is nicknamed the "dragon egg." The paper, accepted for publication in Astronomy & Astrophysics, was posted to the arXiv preprint server on Oct. 5.
相关报道
Astronomers discover a ghostly green star unlike any known before
Astronomers have uncovered a surprising rainbow of dead stars, including the first known star that would appear genuinely green to human eyes. Researchers found that white dwarfs can glow in unexpected shades of pink, purple, yellow, and cyan because of unusual chemical interacti
All Top News -- ScienceDaily ·
Astronomers uncover new secrets of the Universe’s first five minutes
Scientists have achieved a major breakthrough in understanding the Universe’s earliest moments, measuring the amount of helium formed in the first five minutes after the Big Bang with unprecedented precision. Using one of the world’s most powerful telescopes, an international tea
All Top News -- ScienceDaily ·
Two monster black holes could collide in just 100 years
Astronomers have uncovered compelling evidence of two supermassive black holes spiraling toward a potentially spectacular collision at the center of galaxy Mrk 501. A previously unseen jet of particles revealed the likely presence of a second black hole, with observations suggest
All Top News -- ScienceDaily ·

Scientists uncover the molecular pillars that shape our cells' powerpacks
Mitochondria are the tiny powerpacks that supply most of the energy our cells need. Their ability to generate this energy relies on a distinctive architecture: two membranes, one tucked inside the other, separated by a narrow gap called the intermembrane space (IMS). This tiny sp
Phys.org - latest science and technology news stories ·

Mechanism behind PARP1-mediated DNA repair characterized, offering insight into targeted cancer therapy
When DNA is damaged, cellular processes respond and repair the DNA. Inhibiting DNA damage repair can be therapeutically beneficial in cancers with genetic vulnerabilities related to DNA damage response. Scientists at St. Jude Children's Research Hospital have uncovered a mechanis
Phys.org - latest science and technology news stories ·