Light Pollution Map 提供全球球范围内的光污染级别查询服务, 通过卫星遥感数据展示各地夜晚光污染状况、寻找最佳观星位置。
Moderate values of AE (1.0–1.5) are found over Europe, the US east coast, China, and the east coast of Australia, corresponding to a mix of anthropogenic pollution and natural aerosols. These AE values are also found in the outflow regions of stronger anthropogenic pollution and biomass ...
The instrument can look for methane in the same way. “It turns out that methane also has a spectral signature in the same wavelength range, and that’s what has allowed us to be sensitive to methane,” EMIT principal investigatorRobert Greensaid at a press conference, according toSpace....
"NeMO-Net leverages the most powerful force on this planet: not a fancy camera or a supercomputer, but people," said Chirayath. "Anyone, even a first-grader, can play this game and sort through these data to help us map one of the most beautiful forms of life we know of." On each...
Atmospheric aerosols are tiny particles that can reflect sunlight back into space and reduce global temperatures. However, their concentrations have greatly diminished due to international efforts to reduce air pollution in recent decades. Now, more sunlight reaches the E...
While these particles were effective at helping counteract some of the global warming in the mid to late 20th century, their impact is diminishing, because since the 1980s pollution has been gradually clearing up. While this is great news for health, it is unmasking additional warming in the ...
Acting NASA Administrator Steve Jurczyk received a call from US President Joe Biden following Perseverance’s successful landing on Mars on Feb. 18. President Biden called Jurczyk about an hour after the rover touched down in Jezero Crater. Not only did the president congratulate Jurczky and the ...
After all, from the time of the signing of The Mayflower Compact to present day is about 400 years and we have 300+ million US citizens vs. the United Kingdom’x 68 million. The explosion of life: On Earth there are relationships between the number of humans, the number of support ...
With 2024 behind us, all eyes in tech turn to Las Vegas, where tech monoliths and scrappy startups alike are suiting up to give us a glimpse of the future. What tech trends will set the world afire in 2025? While we won’t know all the details until we hit the carpets of the Las...
Relive NASA’s debut launch of its mighty SLS rocket on second anniversary The series of four images (below) show the National Oceanic and Atmospheric Administration’s (NOAA) Geostationary Operational Environmental Satellite-T (GOES-T) undergoing the final preparations ahead of its expected March 1...