Space Exploration
Jun 26, 2019
Celebrating Asteroid Day with ESA and the world
Summer in the Northern hemisphere has arrived and with it the long, sunny days and hot, sticky nights.
Search results for tunguska
Space Exploration
May 23, 2019
Study investigates potential risk of Taurid meteor swarm
A new study from Western University posits proof to the possibility that an oncoming swarm of meteors—likened to the Loch Ness Monster and Bigfoot by some extraterrestrial experts—may indeed pose an existential risk for ...
Space Exploration
Mar 22, 2019
Why dangerous asteroids heading to Earth are so hard to detect
Earth is often in the firing line of fragments of asteroids and comets, most of which burn up tens of kilometres above our heads. But occasionally, something larger gets through.
Space Exploration
Feb 8, 2019
To save the Earth someday, team builds spacecraft to crash into an asteroid and shove it off course
A team of scientists, astronomers and engineers meets weekly in a conference room on a Howard County, Md., research campus and plans to save the world.
Space Exploration
Feb 4, 2019
'Oumuamua could be the debris cloud of a disintegrated interstellar comet
Since it was first detected hurling through our solar system, the interstellar object known as 'Oumuamua has been a source of immense scientific interest. Aside from being extrasolar in origin, the fact that it has managed ...
Space Exploration
Dec 5, 2018
A meteor may have exploded in the air 3,700 years ago, obliterating communities near the Dead Sea
A meteor that exploded in the air near the Dead Sea 3,700 years ago may have wiped out communities, killed tens of thousands of people, and provided the kernel of truth to an old Bible story. The area is in modern-day Jordan, ...
Optics & Photonics
Nov 1, 2018
New photonic devices are said to be poised to enable the next leap in deep space exploration
New directed energy propulsion systems may enable the first interstellar missions, with small, robotic spacecraft exploring neighboring solar systems, according to experimental cosmologist Philip Lubin. He will present these ...
Space Exploration
Jun 29, 2018
Image: Australian crater
For Asteroid Day, the Copernicus Sentinel-2A satellite takes us over the Gosses Bluff crater in the Northern Territory of Australia. The crater is visible in the left centre of the image and it is about 22 km in diameter. ...
Space Exploration
Jun 7, 2018
Image: Tunguska devastation
Fallen trees at Tunguska, Imperial Russia, seen in 1929, 15 km from epicentre of aerial blast site, caused by explosion of a meteor in 1908 (Photo N. A. Setrukov, 1928).
Space Exploration
May 14, 2018
Tracking the threat of asteroids and comets
In 1994, astronomers watched in awe as the comet Shoemaker-Levy 9 crashed into the planet Jupiter, creating massive fireballs exploding with the force of six million megatons of TNT—equivalent to 600 times the world's nuclear ...
