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The Chicxulub crater is a massive impact structure located beneath the Yucatán Peninsula in Mexico. It’s notable as the geological evidence for the asteroid that caused the Cretaceous-Paleogene extinction event, wiping out approximately 76% of plant and animal life on Earth. Scientists study it to u...
Landsat 5 is a NASA space mission providing continuous global imagery since its launch in 1984. This satellite’s extended operational lifespan – exceeding 28 years – significantly contributed to the Landsat archive. The data collected by Landsat 5 is invaluable for scientists, researchers, and gover...
The Vredefort Dome is a massive impact crater formed approximately 2.03 billion years ago during Earth’s Precambrian era. It represents one of the oldest and largest confirmed impact structures globally. Located in South Africa, its immense size—over 300 kilometers across—highlights the violent even...
Barringer Meteor Crater is a well-preserved impact crater located in Winslow, Arizona. Formed by a meteorite approximately 50,000 years ago, it represents one of the best examples of a preserved impact site on Earth. The crater’s size and clarity make it valuable for geological study and provides an...
Landsat 1 is an American Earth observation satellite that began continuous monitoring of our planet in 1972. Launched by NASA, it pioneered the Landsat program, providing consistent imagery for scientific research and resource management. The data collected remains invaluable for studying land use c...
The Manicouagan Crater is a massive impact structure in Quebec, Canada dating back to the Triassic period. Its exceptional size—approximately 130 kilometers across—makes it one of the largest known impact craters on Earth. Scientists study it to understand ancient impacts and their effects on planet...
Pingualuit is a small impact crater located in eastern Canada. Formed during the Pleistocene epoch, it represents one of the youngest confirmed impact craters on Earth. Its notable preservation offers scientists valuable insights into early impact events and planetary formation processes. Geologists...
Pachamama is a revered earth and fertility goddess originating from the indigenous cultures of the Andes, including the Inca, Quechua, and Aymara peoples. She is conceptualized as a nurturing mother figure who oversees agricultural cycles, harvesting, and the fertility of the soil. The veneration of...
The Sudbury Basin is a massive impact crater formed approximately 1.85 billion years ago in present-day Canada. It represents one of Earth’s oldest and largest known impact structures. The basin's distinctive nickel-iron sulfide deposits are exceptionally valuable for studying the early evolution of...
Kaali is a cluster of small impact craters situated on Saaremaa Island, Estonia. These features represent evidence of a significant meteorite strike that occurred approximately 2000 years ago during the Holocene epoch. The site’s notable age and relatively well-preserved condition make it an importa...
The Nördlingen Ries is a prominent impact crater located in Bavaria, Germany. Formed approximately 14 million years ago during the Miocene epoch, it represents a significant geological event. Its notable size and well-preserved features provide valuable insights into early Earth impacts and their ef...
El’gygytgyn is a Pliocene-era impact crater located in northeastern Russia. It represents one of the best-preserved medium-sized impact craters on Earth. The crater formed approximately 3.6 million years ago and contains a deep lake that has been extensively studied by scientists researching early i...
Popigai is a massive impact crater located in Siberia, Russia. Formed during the Eocene epoch approximately 35 million years ago, it’s one of Earth's largest and best-preserved impact structures. Its sheer size—over 10 kilometers across—makes it notable for geological research and studying ancient e...
The Upheaval Dome is a prominent impact crater located within Canyonlands National Park in Utah. Formed approximately 26 million years ago, it’s recognized for its distinctive circular ridge—a syncline—resulting from the force of the initial impact. Scientists continue to study this geological featu...
Gosses Bluff is a prominent impact crater located in Western Australia’s Pilbara region. Formed during the Cretaceous period approximately 175 million years ago, it represents a significant geological feature showcasing evidence of extraterrestrial bombardment on Earth. The crater's well-preserved s...
Landsat 8 is an active Earth observation satellite operated by NASA and the USGS. This mission continues a decades-long program providing consistent imagery of our planet. The satellite utilizes Operational Land Imager (OLI) and Thermal Infrared Sensor (TIRS) instruments to measure land surface temp...
The GRACE (Gravity Recovery and Climate Experiment) mission involved two identical satellites launched by NASA and DLR in 2002. It precisely measured variations in Earth’s gravity field using laser ranging technology. This allowed scientists to monitor changes in ice sheets, ocean mass distribution,...
Coatlicue is a major earth and mother goddess in Aztec mythology, recognized as the mother of the war god Huitzilopochtli. Her name translates to "Serpent Skirt" in Nahuatl, reflecting her famous monumental statue where she wears a skirt of writhing serpents and a necklace of human hearts, hands, an...
The Lonar crater is a unique impact structure located in Maharashtra, India. Formed during the Pleistocene epoch, it’s notable for its unusual circular shape and composition including layers of basalt and limestone. Scientists study this small crater to understand ancient meteorite impacts and geolo...
Clearwater Lake West is a circular lake occupying an impact structure in northern Quebec, Canada. It lies beside Clearwater Lake East, and the neighboring forms were long described as a paired impact feature, although later dating indicated that they did not form simultaneously. The western structur...
Sentinel-2A is an Earth-observation satellite developed for the European Union's Copernicus program and operated by the European Space Agency. Launched in 2015, it carries a multispectral instrument that records reflected light in 13 spectral bands at spatial resolutions of 10, 20, and 60 meters. It...
Anna Heringer is a German architect whose practice centers on natural building materials, local labor, and construction methods that communities can maintain with available skills and resources. She is particularly associated with earthen and bamboo architecture in Bangladesh, including the METI Han...
Envisat was a large Earth-observation satellite operated by the European Space Agency (ESA). Launched into polar orbit in 2002, the spacecraft carried ten instruments to monitor the atmosphere, ocean, land, and ice. Key instruments included the Advanced Synthetic Aperture Radar (ASAR) and the MEdium...
The Odessa meteorite impact crater is located near Odessa, Texas, and was discovered in the 1920s as one of the earliest recognized impact sites in the United States. The main crater is approximately 168 meters across and 30 meters deep, formed roughly 50,000 years ago during the Pleistocene epoch....
Steinheim is a meteorite impact crater located in the Swabian Alps of southwestern Germany. It measures approximately 3.8 kilometers in diameter and was formed about 15 million years ago during the Miocene epoch. The impact event is closely associated with the larger, nearby Ries crater, and both st...
Aqua is a NASA Earth Observing System satellite launched on May 4, 2002, into a sun-synchronous polar orbit. It carries six instruments including AIRS, AMSR-E, MODIS, and CERES to monitor Earth's water cycle, measuring atmospheric water vapor, clouds, precipitation, ocean color, and sea ice. As part...
Suomi NPP (Suomi National Polar-orbiting Partnership) is a polar-orbiting environmental satellite launched on October 28, 2011, from Vandenberg Air Force Base aboard a Delta II rocket. Named for Finnish-American meteorologist Verner E. Suomi, it carries instruments including VIIRS (Visible Infrared...
ICESat-2 (Ice, Cloud, and land Elevation Satellite 2) is an Earth observation satellite launched by NASA in 2018 as a follow-on to the original ICESat mission. It utilizes the Advanced Topographic Laser Altimeter System (ATLAS), which measures elevation by timing the round-trip journey of laser puls...
Ninhursag (also known as Ninmah, Nintu, and Ki) was a Sumerian mother goddess, one of the principal deities of the ancient Mesopotamian pantheon alongside An, Enlil, and Enki. She was associated with fertility, childbirth, and the creation of humans, who were said to be fashioned from clay. Her cult...
Sentinel-1A is a European Space Agency Earth observation satellite launched in 2014 as part of the Copernicus Programme. It operates a C-band synthetic-aperture radar (SAR) instrument, allowing it to collect day-and-night all-weather imagery of the planet's surface. The spacecraft's data is used for...
