Mark Draper

4,244 Added | 5 Magazines | 26 Following | 42,493 Followers | @drapermk | Based in Copenhagen, Denmark.

James Webb Space Telescope completes final cryogenic testing

The James Webb Space Telescope (JWST) has completed its final round of cryogenic testing at NASA’s Johnson Space Center in Houston, Texas. On 10 July …

James Webb Space Telescope

New pulsar result supports particle dark matter

New results from an unconventional observatory in Mexico are bringing scientists one step closer to solving the dark matter mystery. They lend …


Astronomers time accelerating particles around black holes

It takes less than an eyeblink to light up a black hole’s jet.


The case of the shrinking white dwarf

<i>For the first time, astronomers have found observational evidence of a contracting white-dwarf star.</i>


Space dust can transport life between worlds

Astronomers have long believed that asteroid (or comet) impacts were the only natural way to transport life between planets. However, a new study …


Cooking up supermassive black holes in the early universe

How do you make a supermassive black hole more quickly?


The first discovered interstellar asteroid is a quarter-mile long red

The first discovered interstellar asteroid to come through our solar system has quite an unusual shape.<p>1I/2017 U1, which has since been named …


Astronomers Reveal Nearby Stars That Are Among The Oldest In Our Galaxy

Astronomers have discovered some of the oldest stars in our Milky Way galaxy by determining their locations and velocities, according to a study led …


New Hole in Sun's Atmosphere Lets Particles Spew Out

A large, dark "hole" has opened up in the sun's atmosphere, allowing solar winds to rush out into space — an ordinary occurrence, but a spectacular …


Why Galaxies Come in Different Shapes

Hanging on the walls in countless science classrooms around the world are illustrations of our home galaxy, the Milky Way. You've probably heard of …


A Crazy Supernova Looks Like a New Kind of Dying Star

In September 2014, astronomers saw a dimming point of light in a small galaxy half a billion light-years away. It looked like an ordinary supernova—a …


Excess positrons could come from dark matter after all

HAWC observations discount nearby pulsar sources


New camera on Palomar telescope will seek out supernovas, asteroids and more

A new eye on the variable sky just opened. The Zwicky Transient Facility, a robotic camera designed to rapidly scan the sky nightly for objects that …


A New Type of Gravitational Wave Could Be Spotted Soon, Claims New Paper

It can’t be stressed enough how crazy gravitational waves are. These supremely violent events take place many light years in the distance, and …


Triton's Arrival was Chaos for the Rest of Neptune's Moons

The study of the Solar System’s many moons has revealed a wealth of information over the past few decades. These include the moons of Jupiter – 69 of …


Simulating the universe using Einstein’s theory of gravity may solve cosmic puzzles

If the universe were a soup, it would be more of a chunky minestrone than a silky-smooth tomato bisque.<p>Sprinkled with matter that clumps together due …

Space Science

We Finally Know What Creates These Eerie Whistling Sounds in Space

Sure is noisy up there.<p>Using data from two different satellites, astronomers have linked an eerie-sounding phenomenon called a whistler mode chorus …


'Routine' detection of space ripples

BBC Science Correspondent<p><b>Gravitational waves have been picked up from another black hole merger.</b><p>It is the fifth time such an event has been validated, and the sixth occasion overall that ripples in space-time have been detected from far-off phenomena.<p>The LIGO-VIRGO collaboration, whose laser labs …


Sky-sweeping Telescope Sees First Light

<b>The Zwicky Transient Facility has taken its first image, covering an area equivalent to 247 full Moons in a single shot. This beginning is part of an</b> …


NASA detects solar flare pulses at Sun and Earth

When our Sun erupts with giant explosions—such as bursts of radiation called solar flares—we know they can affect space throughout the solar system …


LIGO gravitational-wave hunters get lucky and find smallest black hole merger

It took months to figure it out, but the scientists in charge of the Laser Interferometer Gravitational-wave Observatory, or LIGO, have confirmed …


Arecibo Telescope Wins Reprieve from U.S. Government

Nearly two months after Hurricane Maria devastated Puerto Rico, the people who operate one of the world’s pre-eminent radio telescopes—at the Arecibo …

Albert Einstein

Voyager 1 Spotted from Earth with VLBA and GBT Telescopes - National Radio Astronomy Observatory

Share This:<p>Earlier this year, the National Science Foundation’s Very Long Baseline Array telescope turned its gaze to NASA’s famed Voyager 1 and …


Watch: Meteor lights up night sky as it crashes over Finland

A live video stream has captured the moment when the night sky in Finnish Lapland was illuminated by a falling meteor this week.<p>In the video, captured on Thursday (October 16), the dark sky is transformed into daylight for a matter of seconds, before a bright flash comes into view, hurtling towards …

Time-lapse Photography

Earthquakes on Venus Could Be Detected by an Atmospheric Balloon

Venus's atmosphere is the heaviest of any planet in the solar system, roughly equivalent to deep-ocean pressure at a depth of 1 kilometer. The …


Gravitational-Wave Detector Catches Lightest Black Hole Smashup Yet

There's a population of monsters lurking in the dark depths of space that astronomers are trying to get acquainted with.<p>These monsters are pairs of …


Deathblow Dealt to Dark Matter Disks

New data tracking the movements of millions of Milky Way stars have effectively ruled out the presence of a “dark disk” that could have offered …

Dark Matter

Earth Is Getting Hit by Too Much Anti-Matter, And Nobody Knows Why

What is going on?<p>Amid the high speed cosmic rays raining down on us from the depths of space are a handful of antimatter particles called …


Pluto's hazy atmosphere keeps its surface icy cold

Pluto's thick hazy atmosphere may be responsible for its temperature of -203ºC, according to a study published this week in Nature.<p><b>How it works:</b> …


Jupiter’s independently pulsating auroras

The auroras over Earth’s north and south poles typically mirror each other. But X-ray observations show that Jupiter’s auroras pulsate on different …