Before humans first started sending objects into Earth orbit, the pocket of space around our planet was clear and clean. But the launch of Sputnik 1 in October of 1957 changed everything. Since then, the space debris has been accumulating, with the amount of useless, defunct satellites vastly outnumbering the operational objects in our orbit.
A new annual report from the European Space Agency (ESA) has found that while we have become aware of the problem and taken steps in recent years to mitigate it, those steps are currently not keeping up with the sheer scale of space junk.
All spacefaring nations have contributed to the problem, which is significant: as more and more defunct objects populate near-Earth space, the risk of collision rises – which, as objects crash and shatter, produces even more space debris.
The hazards have been prominent in the last year. We have not only watched
Sept. 24 (UPI) — The presence of tiny crystals in magma can cause volcanoes to violently explode, according to a new study published Thursday in the journal Science Advances.
“Exactly what causes the sudden and violent eruption of apparently peaceful volcanoes has always been a mystery in geology research,” lead researcher Danilo Di Genova said in a news release.
“Nanogeoscience research has now allowed us to find an explanation. Tiny crystal grains containing mostly iron, silicon, and aluminium are the first link in a chain of cause and effect that can end in catastrophe for people living in the vicinity of a volcano,” said Di Genova, a geophysicist at the University of Bayreuth in Germany.
Using a combination of spectroscopic and electron microscopic imaging techniques, researchers were able to identify nano-sized crystals called nanolites in the ashes of active volcanoes.
In the lab, scientists successfully demonstrated how these tiny crystals,
Technavio has been monitoring the explosive detection equipment market and it is poised to grow by $ 2.72 bn during 2020-2024, progressing at a CAGR of over 7% during the forecast period. The report offers an up-to-date analysis regarding the current market scenario, latest trends and drivers, and the overall market environment.
This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20200922005968/en/
Technavio has announced its latest market research report titled Global Explosive Detection Equipment Market 2020-2024 (Graphic: Business Wire)
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