Astronomers from the University of Sheffield and Pennsylvania State University have performed X-ray and optical observations of a massive star known as Melnick 39. As a result, they found that Melnick 39 is a colliding-wind binary system composed of two O-type supergiant stars. The finding was detailed on March 21 on the pre-print server arXiv.
Melnick 39 is a colliding-wind binary system, observations find
-
One of the first executive orders that President Trump signed after his inauguration on Jan. 20, 2025, was titled Restoring Freedom of Speech and Ending Federal Censorship. The order accused the previous administration of having [...]
-
Caleb Scoville grew up in isolated Humboldt County in northern California, known as the “home of the Redwoods” for its old-growth forests. From an early age, he witnessed the tension between extracting goods from nature [...]
-
Women MPs are increasingly targets of misogynistic, racist and sexual online abuse, but New Zealand’s legal framework to protect them is simply not fit for purpose.This post was originally published on this site
-
Analysis of job applicant data from one large employer suggests that a policy meant to improve employment prospects for people with criminal records did not actually lead to changes in job offers for people with [...]
-
King Charles’s recent visit to the Vatican may appear to be simply a symbolic gesture of ecumenical goodwill. But moments like this provide an opportunity to look at the long-term consequences of church-state relations around [...]
-
Generative Artificial Intelligence (AI) is boosting anticipatory forms of governance around the world, helping state actors to predict the future and focus their efforts in the present where the AI predicts they can have the [...]
-
The Holocaust could not have happened without the railroads.This post was originally published on this site
-
Americans would give political opponents four extra months in jail and are more likely to free their allies following acts of political violence, research suggests.This post was originally published on this site
-
Measures to tackle homelessness in Australia have been conspicuously absent from the election campaign.This post was originally published on this site
-
Incarceration has lasting consequences. Many young people who have been incarcerated later struggle to achieve the basic milestones in adulthood, such as living on their own or maintaining a long-term job. Black and Hispanic males [...]
