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Artículos sobre Astrophysics

Mostrando 1 - 20 de 169 artículos

A new particle accelerator at Michigan State University is set to discover thousands of never-before-seen isotopes. Facility for Rare Isotope Beams

Powerful linear accelerator begins smashing atoms – 2 scientists on the team explain how it could reveal rare forms of matter

A new particle accelerator has just begun operation. It is the most powerful accelerator of its kind on Earth and will allow physicists to study some of the rarest matter in the universe.
VFTS 243 is a binary system of a large, hot blue star and a black hole orbiting each other, as seen in this animation. ESO/L.Calçada

Astronomers have found an especially sneaky black hole – discovery sheds light on star death, black hole formation and gravitational waves

Astronomers have discovered the first dormant black hole outside of the Milky Way. These black holes are not absorbing matter from a nearby star, making them incredibly hard to find.
The mirror on the James Webb Space Telescope is fully aligned and producing incredibly sharp images, like this test image of a star. NASA/STScI via Flickr

The James Webb Space Telescope is finally ready to do science – and it’s seeing the universe more clearly than even its own engineers hoped for

It has taken eight months to test and calibrate all of the instruments and modes of the James Webb Space Telescope. A scientist on the team explains what it took to get Webb up and running.
Some stars travel at high speeds through the universe and sometimes leave spectacular clouds of dust and gas in their wake. NASA, ESA and R. Sahai (NASA's Jet Propulsion Laboratory)

Real shooting stars exist, but they aren’t the streaks you see in a clear night sky

Hypervelocity stars were discovered only 15 years ago and are the closest things in existence to real shooting stars. They travel at millions of miles per hour, so fast that they can escape from galaxies.
An artist’s impression of the Double Pulsar system in which the two pulsars orbit each other every 2.5 hours and send out high-energy beams that sweep across the sky. Image credit: John Rowe Animations/CSIRO

We counted 20 billion ticks of an extreme galactic clock to give Einstein’s theory of gravity its toughest test yet

Astronomers watched a pair of pulsars for 16 years to test the theory of general relativity, which has stood unchallenged for over a century.
The James Webb Space Telescope is the biggest orbital telescope ever built and is scheduled to be launched into space on Dec. 18, 2021. NASA/Desiree Stover

James Webb Space Telescope: An astronomer on the team explains how to send a giant telescope to space – and why

The largest orbital telescope ever made will allow astronomers to study the atmospheres of alien planets, learn about how stars form in the Milky Way and peer into the farthest reaches of the universe.

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