David Harris, Author at Different Impulse

3 arcmin × 3 arcmin Chandra X-ray image of the pulsar vicinity in 0.5–10 keV range smoothed with a 25 pixel Gaussian kernel. The ‘+’ symbol shows the pulsar position. The ‘jet’ and ‘counter-jet’ are marked. The 30 arcsec × 30 arcsec image part, enclosed by the cyan dashed box and smoothed with a 3 pixel Gaussian kernel, is enlarged in the inset. The possible PWN torus and the base part of the ‘jet’ are marked.

June 12, 2019 Science

X-ray study sheds more light into the nature of a gamma-ray pulsar

Using archival data from ESA’s XMM-Newton spacecraft and NASA’s Chandra X-ray observatory, astronomers have investigated one of gamma-ray radio-quiet pulsars

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June 10, 2019 Science

Scientists Discover That This Baffling Black Hole Is Way Smaller Than They Thought It Was

Scientists have measured the mass of a black hole in a neighboring dwarf galaxy known as NGC 4395, and their

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May 20, 2019 Science

Advanced civilizations could be communicating with neutrino beams

In 1960, famed theoretical physicist Freeman Dyson made a radical proposal. In a paper titled “Search for Artificial Stellar Sources

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Messier 3: Containing an incredible half-million stars, this 8-billion-year-old cosmic bauble is one of the largest and brightest globular clusters ever discovered.

April 13, 2019 Science

Hubble peers at cosmic blue bauble

Globular clusters are inherently beautiful objects, but the subject of this NASA/ESA Hubble Space Telescope image, Messier 3, is commonly

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April 12, 2019 Science

Life May Be Evolving on the Closest Alien Planet to Earth

A few decades ago, we didn’t know if there were any planets outside our solar system. Thanks to advances in

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The first-ever image of a black hole was released Wednesday by a consortium of researchers, showing the "black hole at the center of galaxy M87, outlined by emission from hot gas swirling around it under the influence of strong gravity near its event horizon."

April 11, 2019 Science

The First-Ever Close-Up of a Black Hole

You’re looking at the brand-new, first-ever close-up picture of a black hole. This image of the black hole M87 at

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Brazilian researchers have identified robust signs of the existence of a giant object

April 9, 2019 Science

Astronomers find evidence of a planet with a mass almost 13 times that of Jupiter

In the past three decades, almost 4,000 planet-like objects have been discovered orbiting isolated stars outside the solar system (exoplanets).

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Astronomers have found two galaxies that appear devoid of dark matter, which they argue is in fact strong evidence of the elusive particle's existence.

April 4, 2019 Science

Two Unusual Galaxies Shake Up the Dark Matter Debate, Again

When it comes to the nature of dark matter, astronomers are still largely, well, in the dark. The existence of

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The Sun's magnetic field controls many phenomena, such as this solar flare seen by NASA's Solar Dynamics Observatory

April 3, 2019 Science

The Sun’s magnetic field might be 10 times stronger than we thought

A new study by Queen’s University Belfast and Aberystwyth University indicates that the Sun’s magnetic field is 10 times more

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April 2, 2019 Virtual Reality

Oculus Rift S: Everything you need to know

After all the hype surrounding Oculus co-founder Brendan Iribe’s exit from the company in October 2018, many VR fans were

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FIRST LOOK The first image from the Event Horizon Telescope may show that the black hole at the center of our galaxy looks something like this simulation.

March 29, 2019 Science

4 things we’ll learn from the first closeup image of a black hole

We’re about to see the first close-up of a black hole. The Event Horizon Telescope, a network of eight radio

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March 26, 2019 Science

Two new planets discovered using artificial intelligence

Astronomers at The University of Texas at Austin, in partnership with Google, have used artificial intelligence (AI) to uncover two

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