05 March 2021
For the first time, organic materials essential for life have been found on the surface of an asteroid
... because S-type (stony) asteroids, the type which gives rise to the most popular type of meteorite found on Earth – chondrites – typically have low organic contents. As such, studying the organic make-up of chondrites is challenging, especially when...
October 2015
From NEOs to real action: testing asteroid impact scenarios
... tracking and providing updated estimates. As the object passed on the other side of the Sun, as viewed from Earth, it became unobservable. (A satellite or spacecraft is needed to conduct observations when the asteroid passes on the other side of the...
April 2020
Satellite mega-constellations pose threat to ground-based astronomy
... for worldwide Internet access are completed. As David Galadí-Enríquez explains, the intensive use of low Earth orbit by these new satellite networks is already proving detrimental - whether from an aesthetic, cultural or scientific point of view...
April 2024
The promise of space-based LiDAR
... sectors from real estate to energy, space-based LiDAR is poised to become the new horizon of revenue generation in Earth observation. For instance, AI-powered analytics services can offer businesses valuable insights for optimising logistical routes...
November 2018
Purpose, promise and power – video from space
... video Europe’s new Sentinel satellites are generating a mass of free high to medium resolution data every day Earth-i plans to operate the world’s first commercial constellation of satellites to provide full-colour video capabilities. Each satellite...
November 2020
The alien hunter’s field manual
... biosignatures – indications of some form of life. From Earth’s example, it’s clear that not all biosignatures signal the ...diameter, will be able to characterise even oxygen in several Earth-like worlds. However, atmospheric noise is a limiting factor...
