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Signatures of the Space Age: Spacecraft metals left in the wake of humanity's path to the stars
Dan Cziczo, professor and head of the Department of Earth, Atmospheric, and Planetary Sciences in Purdue's College of Science, was part of the research team that discovered significant amounts of metals in aerosols in the atmosphere, likely from increasingly frequent launches and returns of spacecraft and satellites.
Image:

This is a transmission spectrum of the hot gas giant exoplanet WASP-17 b captured by the NASA/ESA/CSA James Webb Space Telescope's innovative Mid-Infrared Instrument (MIRI) on 12–13 March 2023. It reveals the first evidence for quartz (crystalline silica, SiO2) in the clouds of an exoplanet.

This marks the first time that SiO2 has been identified in an exoplanet, and the first time any specific cloud species has been identified in a transiting exoplanet.

The spectrum was made by measuring the change in brightness of 28 wavelength bands of mid-infrared light as the planet transited the star. Webb observed the WASP-17 system

San Diego CA (SPX) Oct 16, 2023
Northrop Grumman Corporation (NYSE: NOC) is working with the Air Force Research Laboratory to integrate commercial space internet into airborne platforms, advancing connectivity for warfighters and supporting the Department of Defense (DoD) vision for Joint All-Domain Command and Control. This capability will: + Enable the warfighter to securely share data and synchronize operations
Newport Beach CA (SPX) Oct 11, 2023
A remarkable new mode of personal mobility is being introduced by Applied eVTOL Concepts. The Epiphany Transporter evokes childhood dreams of Aladdin's Magic Carpet, providing fast, door-to-door, airborne transportation with VTOL (Vertical Take-Off and Landing) capability. In lieu of long, burdensome wings, the compact advanced vehicle configuration vaunts morphing, dual-mode, NASA-tested ducted
Boulder CO (SPX) Oct 16, 2023
Emissions associated with mining operations in Africa's Copperbelt can be quantified from space, according to new research led by the National Center for Atmospheric Research (NCAR). Mining for copper and cobalt in Africa has rapidly increased, the latter in response to growing global demand for electric vehicles, laptops, smartphones, and other devices that rely on lithium-ion batteries, the va
Zhuhai, China (SPX) Oct 16, 2023
The ocean has always been a force to be reckoned with when it comes to understanding and traversing its seemingly limitless blue waters. Past innovations such as deep-sea submersibles and ocean-observing satellites have helped illuminate some wonders of the ocean though many questions still remain. These questions are closer to being answered thanks to the development of the Intelligent Swift Oc
Portsmouth UK (SPX) Oct 16, 2023
A University of Portsmouth physicist has explored whether a new law of physics could support the much-debated theory that we are simply characters in an advanced virtual world. The simulated universe hypothesis proposes that what humans experience is actually an artificial reality, much like a computer simulation, in which they themselves are constructs. The theory is popular among a

Unifying matter, energy and consciousness

Sunday, 15 October 2023 09:18
Sydney, Australia (SPX) Oct 16, 2023
With the rise of brain-interface technology and artificial intelligence that can imitate brain functions, understanding the nature of consciousness and how it interacts with reality is not just an age-old philosophical question but also a salient challenge for humanity. Can AI become conscious, and how would we know? Should we incorporate human or animal cells, such as neurons, into machin
Los Angeles CA (SPX) Oct 14, 2023
Imagine, if you dare, a realm where temperatures dive to an unearthly 55 degrees below Celsius. A place where every breath feels like a thousand icy needles, and the vast expanse of Earth seems an eerie, distant mirage. Few souls dare to venture here, but for one man, it's just another thrilling chapter in his tapestry of adventures... Brad Bartz of Spacedaily.com sat down with the fearles
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