The evolution of galaxies is the ultimate chicken-and-egg situation. Did the shapeless matter first gravitate together in larger structures, giving birth to stars and then to supermassive black holes? Or did the black holes form first and then trigger the creation of the first generation of ...
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Compared to stars, galaxies are relatively close to one another. They can interact and, more importantly, collide. When galaxies collide, they actually pass through one another — the stars inside don't run into one another because of the enormous interstellar distances. But collisions do tend t...
How do Galaxies Accrete Gas and Form Stars? Great strides have been made in the last two decades in determining how galaxies evolve from their initial dark matter seeds to the complex structures we observe at z=0. The role of mergers has been documented through both observations a... ME ...
“Herschel is finding a correlation between the presence of massive debris discs and planetary systems with no Jupiter-class planets, which offers a clue to our understanding of how planetary systems form and evolve,” says Göran Pilbratt, ESA’s Herschel project scientist. ...
If you want to start live streaming immediately, you can do so with a smartphone. You don’t have to wait to invest in any fancy equipment. Your smartphone has a camera and microphone and supports the apps you need to live stream. It has all the basic equipment you need to start broad...
Growing and growing Astronomers have struggled to understand how the largest stars — up to 120 times as massive as the Sun — can form by sucking in nearby matter. The problem is that, once a star reaches about 20 solar masses, the outward force of its intense radiation exceeds the ...
"This discovery is going to become a benchmark system to study how sub-Neptunes, the most common type of planets outside of the solar system, form (and) evolve," Luque said. And it could also reveal "what are they made of and if they possess the right conditions to support the existe...
Any form of prophetic analysis works like a Zen Koan. That means that seekers meet the oracle where they are at. The message received is a direct reflection of the recipient's level of consciousness. Fortunately, since most of us continue to evolve and thereby expand our understanding: that ...
We have reached a point where it is feasible to search for spectroscopic signatures of life on planets orbiting other stars, one of the key goals of the emergent field of astrobiology (Des Marais et al. 2004). Astronomers understand the significance of the habitable zone and the consequences ...