Mark Draper

5,936 Flips | 3 Magazines | 24 Following | 42,880 Followers | @drapermk | Based in Copenhagen, Denmark.

8 Scuba Accessories Divers Can’t Live Without

When it comes to dive equipment, your tank and regulator give you air, your mask helps you see, and your fins help you move. They are all essential …

Scuba Diving

Gravity Assist: Mars Dust Storm with Melinda Kahre

<i>Since the end of May, Mars has been enshrouded by a dust storm covering nearly the entire planet. Although Mars has a dusty season each of its years,</i> …

Particles

We're going to get a better detector: time for upgrades in the search for gravitational waves

It’s been a year since ripples in space-time from a colliding pair of dead stars tickled the gravitational wave detectors of the Advanced LIGO and …

Physics

The big pull that will make the Parker Solar Probe the fastest human-made object

NASA's new spacecraft will hit 430,000 miles an hour as it nears the sun.<p>A rifle bullet moves at about 1,700 miles an hour. That's fast, but NASA's newly launched Parker Solar Probe will go more than 250 times faster than that near the end of its seven-year mission to explore the sun — and become …

Astronomy

August 17, 2018

Anniversary of GW170817/GRB 170817A<p><b>Posted by: Adam Goldstein (USRA)</b><p>A watershed moment is one in which something of importance fundamentally changes, …

Space

Touch the Sun: The Parker Solar Probe has launched!

<i>Image Credit: NASA/Bill Ingalls</i><p>The Parker Solar Probe launched on its seven year mission to study our Sun up close on the early morning on August 12, …

Parker Solar Probe

Astronomers observe cosmic steam jets and molecules galore: First science with ALMA's highest-frequency capabilities

First science with ALMA's highest-frequency capabilities<p>A team of scientists using the highest-frequency capabilities of the Atacama Large …

Universe

Another way for stellar-mass black holes to grow larger

A trio of researchers with The University of Hong Kong, Academia Sinica Institute of Astronomy and Astrophysics in Taiwan and Northwestern University …

Black Holes

Stunning NASA Image Lets You Watch the Sun Explode in Real Time

Don't be alarmed, but the sun is constantly exploding. While violent nuclear fusion reactions power the sun's 27-million-degree-Fahrenheit (15 …

Astronomy

Sculpting Our Planetary System

This Article From Issue<p>September-October 2018<p>Volume 106, Number 5<p>Page 280<p>The discovery of thousands of planets orbiting other stars has given us …

Solar System

Some of the universe's earliest galaxies circle the Milky Way

New research findings support current theoretical models on the expansion of the universe and galaxy formation.<p>Astronomers at Durham University have …

Universe

15,000 Galaxies Shine in This 1 View from the Hubble Space Telescope

The Hubble Space Telescope has been at work for almost three decades, but it's still learning new skills — like how to squeeze an incredible 15,000 …

Universe

One in THREE planets outside our solar system bigger than Earth are 'likely to contain water' and could host alien life

One in three planets outside the solar system that are bigger than Earth is a waterworld, according to new research.<p>Scientists say that any …

Exoplanets

Hubble paints picture of the evolving universe

Astronomers using the ultraviolet vision of NASA's Hubble Space Telescope have captured one of the largest panoramic views of the fire and fury of …

The translucent beauty of Saturn's rings revealed by NASA's Cassini probe

They have fascinated astronomers for decades, and could be the most recognizable feature of any other world in our solar system.<p>Now NASA has released …

Astronomy

2008 August 18 - Baily's Beads near Solar Eclipse Totality

<b>Baily's Beads near Solar Eclipse Totality</b> <b><br>Credit & Copyright:</b> Leonid Durman<p><b>Explanation:</b> Just before the Sun blacks out, something strange occurs. As …

Space Photos of the Week: Supersized Saturn and Jumbo Jupiter

In any field, the giants cast the heaviest shadows. And Jupiter and Saturn really have a huge footprint: Astronomers studying our solar system are …

Photos

Six Things About Opportunity's Recovery Efforts

NASA's Opportunity rover has been silent since June 10, when a planet-encircling dust storm cut off solar power for the nearly-15-year-old rover. Now …

Dust Storms

Huge Patch of Universe Is Strangely Opaque Despite Its Lack of Galaxies

The mere fact that we live in a universe boggles my mind every once in a while. But thankfully, our cosmic home is a place that follows rules; the …

Universe

How Will NASA Know If Opportunity Is Okay After the Martian Dust Storm?

Nearly all of Mars has been under the assault of a planet-wide dust storm since June. The nerve-wracking question: Is the Opportunity rover okay?<p>The …

Dust Storms

The Hawking temperature, the uncertainty principle and quantum black holes

A static black hole. The horizon (H ) is at a distance RS from the singularity (S).<p><b>Jorge Pinochet</b><br>In 1974, Stephen Hawking theoretically discovered …

Physics

X-ray light reveals the geometry of a black hole

By measuring scattered light from Cygnus X-1, astronomers have traced how matter acts around a black hole.

Cosmology

Hubble Sees Faintest Stars in a Globular Cluster

NASA's Hubble Space Telescope has uncovered what astronomers are reporting as the dimmest stars ever seen in any globular star cluster. Globular …

Universe

A Chemical History of the Universe

This Article From Issue<p>September-October 2018<p>Volume 106, Number 5<p>Page 264<p>About a decade ago, experts working to unravel the Milky Way’s history, who …

Universe

Hundreds of Midsize Black Holes Found by NASA's Chandra X-Ray Observatory

Scientists using NASA's Chandra X-Ray Observatory have found evidence that hundreds of possible midsize black holes lurk at the cores of smaller …

Universe

NASA's Hubble Telescope captures 15,000 galaxies in one dazzling image

I honestly almost can't believe this is real and it makes me feel so infinitely small.<p>Look at this. Just <i>look</i> at it. Take your time with it.<p>This image of the cosmos comes courtesy of NASA's Hubble Space Telescope, using ultraviolet vision to capture one of the most expansive images of galaxies yet. …

Universe

Catalog Page for PIA17013

<b>Original Caption Released with Image:</b><p>Several telescopes have teamed up to discover a rare and massive merging of two galaxies that took place when …

Universe

Here are 7 of Saturn’s moons

Saturn has 62 moons with confirmed orbits, 53 of which have names and only 13 of which have diameters larger than about 30 miles (50 km). Here are 7 …

Astronomy

Why so few galaxies in this distant region of space?

Galaxies aren’t evenly distributed throughout the universe. But even so, this large region of space has far fewer galaxies than astronomers …

Universe

Scientists discover twelve new moons orbiting Jupiter, one of them is an oddity

Some of the newfound moons orbit Jupiter in the same direction as the planet’s rotation, while others orbit in the opposite direction. But one of the moons is odd because its orbit has an unusual tilt and it circles Jupiter at a distance that puts it at risk of a head-on collision with other Jovian …