Ultrafast extreme ultraviolet (XUV) spectroscopy is a powerful technique for probing the dynamics of atoms and molecules with attosecond time resolution. However, conventional XUV absorption measurements only provide information ...
Optics & Photonics
Jul 26, 2023
0
1
Recently, NASA's Double Asteroid Redirection Test (DART) spacecraft crashed into a 170 m asteroid Dimorphos at 6.6 km/s, as the first on-orbit demonstration of deflecting an asteroid by kinetic impact. The DART spacecraft ...
Space Exploration
Nov 17, 2022
6
50
Gazing at the night sky can evoke a sense of wonder regarding humanity's place in the universe. But that's not all it can evoke. If you're knowledgeable about asteroid strikes like the one that wiped out the dinosaurs, then ...
Space Exploration
Mar 4, 2022
3
106
NASA's latest launch into outer space is going to make an impact. In fact, that's its entire mission.
Space Exploration
Nov 22, 2021
0
241
Politicians are especially deft at deflection, which is the tactic of answering a question with a question that steers the conversation in a different direction. It's not an easy skill, but former President Donald Trump mastered ...
Social Sciences
Aug 17, 2021
1
158
A research collaboration between Lawrence Livermore National Laboratory (LLNL) and the Air Force Institute of Technology (AFIT) investigates how the neutron energy output from a nuclear device detonation can affect the deflection ...
Astronomy
Apr 9, 2021
6
7248
On 21 September 2018, 280 million km from Earth, a roughly 1.5 square-metre cube descended towards a primitive space rock. After years of planning and 4 years in flight, this tiny spacecraft captured this 'shadow selfie' ...
Space Exploration
Sep 27, 2018
0
22
The first-ever mission to demonstrate an asteroid deflection technique for planetary defense has moved into the final design and assembly phase, following NASA's approval last month.
Space Exploration
Sep 7, 2018
1
126
Space scientists urged Europe Wednesday to rethink its withdrawal from a futuristic, international dry-run for an Armageddon-like mission to deflect a space rock on a calamitous collision course with Earth.
Space Exploration
Sep 20, 2017
1
207
Throughout its 4.5-billion-year history, Earth has been repeatedly pummelled by space rocks that have caused anything from an innocuous splash in the ocean to species annihilation.
Space Exploration
Jun 28, 2017
31
851
