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Smoke Break #741: Visualising The Number Of Threats To Earth



Gulp
. This new and exquisitely unnerving animation is a view of the solar system showing the locations of all the asteroids and Near Earth Objects “discovered” over the last thirty years.

As asteroids are discovered they are added to the map and highlighted white so you can pick out the new ones. The final colour of an asteroid indicates how closely it comes to the inner solar system. Earth Crossers are red. Earth Approachers (perihelion less than 1.3AU) are yellow. All others are green

Notice how the pattern of discovery follows the Earth around its orbit, most discoveries are made in the region directly opposite the Sun. You’ll also notice some clusters of discoveries on the line between Earth and Jupiter. These are the result of surveys looking for Jovian moons. Similar clusters of discoveries can be tied to the other outer planets, but those are not visible in this video.

As the video moves into the mid 1990’s we see much higher discovery rates as automated sky scanning systems come online. Most of the surveys are imaging the sky directly opposite the sun and you’ll see a region of high discovery rates aligned in this manner.

At the beginning of 2010 a new discovery pattern becomes evident, with discovery zones in a line perpendicular to the Sun-Earth vector. These new observations are the result of the WISE (Widefield Infrared Survey Explorer) which is a space mission that’s tasked with imaging the entire sky in infrared wavelengths.

Currently we have observed over half a million minor planets, and the discovery rates snow no sign that we’re running out of undiscovered objects.

But not to worry, darlings. Jupiter has all our backs.

Proud Backyard Chef Shows Off Outstanding DIY Barbecue Set-Up

From his waterwheel-powered rotisserie to his four-storey filing cabinet full of spuds and corn, this guy is killing it.

This Might Be the Strangest TV Ad Ever Made for a Candy Bar

Everybody keeps secrets, even from their loved ones. This advertisement takes that theme to a bizarre extreme.

How Stainless Steel Knives, Forks and Spoons Are Made

From grinding serrations to spoon bowls, this short video details how our everyday eating implements are made.

Short Film Uses Beauty of International Banknotes to Tell Strange Story of Money

Corrie Francis Parks animates pieces of paper currency and grains of sand to create a visual poem on global economics.