24 February 2017
Researchers find a new type of X-ray transient
... be an “orphan” X-ray afterglow from an off-axis short-duration Gamma-ray Burst (GRB), or a highly beamed Tidal Disruption Event (TDE). TDE’s occur when when a star passes so close to a black hole that it experiences tidal forces...
20 September 2017
A new way to 'weigh' extragalactic black holes
.... In the case of an unlucky star that strays to close to the devouring black hole, the process is known as a tidal disruption event (TDE). As gravity rips the star apart, some of the star’s material is flung out from the...
August 2017
Space invaders and the usual suspects - disruptive trends in Earth observation
... [4] and NorStar Space Data in Canada. Their ambition is to develop and operate space systems and services with disruptive commercial objectives. Rise of NewSpace New Space is not always orientated towards ‘small is beautiful’ These firms bet...
June 2021
The next ‘unthinkable’ – global disruption from a solar storm
... origin was confirmed. August 1972 - an example of an extreme solar particle event (SPE) which caused severe technological disruptions, including accidental detonations of numerous magnetic sea mines off the coast of Vietnam. March 1989 - the largest...
11 October 2021
Disrupting Earth-bound asteroids with nukes is “very effective”, new study says
... meteor hurtling toward earth by blowing it up with a nuclear bomb. While the film is fictional, using a nuclear bomb to disrupt an asteroid is not as far-fetched as it sounds, say a team of scientists who have modelled how fragments from an asteroid...
July 2020
Covid-19 infects global space community
... crisis, it is not immune to this global pandemic. Companies large and small face business uncertainty, supply chain disruptions and delays. Most publicly traded companies withdrew their 2020 guidance (an indication of future earnings), while start...
