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Hubble detects smallest known dark matter clumps

Using NASA's Hubble Space Telescope and a new observing technique, astronomers have found that dark matter forms much smaller clumps than previously known. This result confirms one of the fundamental predictions of the widely accepted 'cold dark matter' theory.

Jan 8th, 2020

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Astronomers uncover first world with two stars

The TOI 1338 system lies 1,300 light-years away in the constellation Pictor. The two stars orbit each other every 15 days. One is about 10% more massive than our Sun, while the other is cooler, dimmer and only one-third the Sun's mass.

Jan 7th, 2020

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Fermi Mission links nearby pulsar's gamma-ray 'halo' to antimatter puzzle (w/video)

NASA's Fermi Gamma-ray Space Telescope has discovered a faint but sprawling glow of high-energy light around a nearby pulsar. If visible to the human eye, this gamma-ray 'halo' would appear about 40 times bigger in the sky than a full Moon. This structure may provide the solution to a long-standing mystery about the amount of antimatter in our neighborhood.

Dec 20th, 2019

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CHEOPS, the profiler of exoplanets

A quarter of a century after the discovery of the first extrasolar planet, the CHEOPS space telescope will finally enable researchers to determine what exoplanets are made of.

Dec 16th, 2019

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A galactic dance

Galaxies lead a graceful existence on cosmic timescales. Over millions of years, they can engage in elaborate dances that produce some of Nature's most exquisite and striking grand designs. Few are as captivating as the galactic duo known as NGC 5394/5, sometimes nicknamed the Heron Galaxy.

Dec 13th, 2019

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Interstellar comet 2I/Borisov swings past sun

This mysterious visitor from the depths of space is the first identified comet to arrive here from another star. We don't know from where or when the comet started heading toward our Sun, but it won't hang around for long.

Dec 12th, 2019

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Astronomers confirm planet-mass objects in extragalactic systems

Astronomers are reporting the detection of extragalactic planet-mass objects in a second and third galaxy beyond the Milky Way after the first detection in 2018. With the existing observational resources, it is impossible to directly detect planet-mass objects beyond the Milky Way and to measure its rogue planetary population.

Dec 12th, 2019

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Revealing the physics of the sun with Parker Solar Probe

Nearly a year and a half into its mission, Parker Solar Probe has returned gigabytes of data on the Sun and its atmosphere. Following the release of the very first science from the mission, five researchers presented additional new findings from Parker Solar Probe.

Dec 12th, 2019

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