An image from the Hubble Space Telescope shows a galaxy cluster named Abell 1,351, so unimaginably massive it is bending space-time itself.
NASA has successfully launched a rocket from Australia’s remote Northern Territory, making history as the agency’s first commercial spaceport launch outside the United States.
The rocket blasted off at just past midnight local time Monday from the Arnhem Space Center on the Dhupuma Plateau, near the township of Nhulunbuy, according to Equatorial Launch Australia (ELA), the developer, owner and operator of the center.
The rocket is expected to travel more than 300 kilometers (186 miles) into space on its mission to observe the Alpha Centauri A and B constellations – the nearest star systems to the Earth.
Now look out past the sun, way beyond. Most of the stars harbor planets of their own. Astronomers have spotted thousands of these distant star-and-planet systems. But strangely, they have so far found none that remotely resemble ours. So the puzzle has grown harder: Why these, and why those?
The swelling catalog of extrasolar planets, along with observations of distant, dusty planet nurseries and even new data from our own solar system, no longer matches classic theories about how planets are made. Planetary scientists, forced to abandon decades-old models, now realize there may not be a grand unified theory of world-making—no single story that explains every planet around every star, or even the wildly divergent orbs orbiting our sun. “The laws of physics are the same everywhere, but the process of building planets is sufficiently complicated that the system becomes chaotic,” said Alessandro Morbidelli, a leading figure in planetary formation and migration theories and an astronomer at the Côte d’Azur Observatory in Nice, France.
Still, the findings are animating new research. Amid the chaos of world-building, patterns have emerged, leading astronomers toward powerful new ideas. Teams of researchers are working out the rules of dust and pebble assembly and how planets move once they coalesce. Fierce debate rages over the timing of each step, and over which factors determine a budding planet’s destiny. At the nexus of these debates are some of the oldest questions humans have asked ourselves: How did we get here? Is there anywhere else like here?
What if an already-Food and Drug Administration-approved drug could help treat a particularly troublesome disorder? Researchers at Washington University School of Medicine in St. Louis have found just such a use for one drug, according to a press release by the institution published earlier this month.
An old drug with a new purpose
The condition is neurofibromatosis type 1 (Nf1) and the drug is lamotrigine, an epilepsy drug. People suffering from Nf1 develop tumors on nerves throughout their bodies that are usually benign but can still cause serious medical issues such as blindness.
https://www.youtube.com/watch?v=oiiuo_HJKvk&feature=youtu.be
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