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Atmospheric Pollution

All articles tagged with #atmospheric pollution

science-and-technology1 year ago•2 min saved

"SpaceX Satellites' Demise Threatens Earth's Magnetic Field"

A controversial paper suggests that as SpaceX's satellites and others burn up in the atmosphere, their magnetized "dust" could pollute the atmosphere and weaken Earth's magnetic field, potentially leaving the outer edges of our atmosphere vulnerable to space radiation. While some experts are skeptical of the claims, others argue that the potential impact underscores the need to better understand metallic pollution in our atmosphere and the effects of satellites on Earth's health.

via Futurism|

#atmospheric-pollution #earths-magnetic-field #satellites

science-and-technology2 years ago•6 min saved

"Chemical Signatures in Exoplanet Atmospheres: Clues to Advanced Alien Life"

Astronomers are exploring the possibility of detecting advanced civilizations on exoplanets by searching for atmospheric pollution produced by technological societies. MIT researchers propose nitrogen trifluoride (NF3) and sulfur hexafluoride (SF6) as ideal technosignature gases, as they are not created by life on Earth and have unique spectral features. By using spectroscopy and machine learning algorithms, scientists can analyze the spectral peaks of gas molecules and identify anomalies that may indicate the presence of advanced civilizations. Public support and funding are crucial for the search for technosignatures, and scientists must communicate the science and stakes of discovery effectively to the public.

via Phys.org|

#advanced-civilization #astronomers #atmospheric-pollution

astronomy2 years ago•6 min saved

"Searching for Advanced Alien Life: Clues in Nearby Worlds and Alien Atmospheres"

Astronomers are exploring the possibility of detecting advanced civilizations on exoplanets by searching for atmospheric pollution produced by technological societies. MIT's Sara Seager and an international team of scientists propose nitrogen trifluoride (NF3) and sulfur hexafluoride (SF6) as ideal technosignature gases, as they are not created by life on Earth and have unique spectral features. Spectroscopy via the James Webb Space Telescope (JWST) can be used to search for these gases, along with other potential technosignatures such as artificial lights, megastructures, waste heat, and radio signals. Machine learning and big data analysis are also being employed to identify outlier data that may indicate the presence of advanced civilizations. However, public support and funding are crucial for the search for life elsewhere and the exploration of exoplanets.

via Universe Today|

#advanced-civilizations #astronomy #atmospheric-pollution