Top Results for High Earth Orbit

Buried beneath Mexico's Yucatan Peninsula and extending offshore, Chicxulub is a large impact structure associated with the asteroid strike at the end of the Cretaceous. Its significance comes from the connection between that collision and the Cretaceous-Paleogene mass extinction, when roughly three...

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...

The Millau Viaduct is a monumental cable-stayed bridge crossing the Tarn Valley in southern France. Completed in 2004, it stands as one of the highest bridges globally, notable for its impressive length and innovative design. The structure facilitates efficient highway traffic between Paris and the...

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...

Vela 5B was a United States Air Force satellite launched in 1969 as part of a military reconnaissance program designed to monitor Soviet compliance with the 1963 Partial Nuclear Test Ban Treaty. The Vela satellites operated in high Earth orbits, utilizing specialized X-ray and gamma-ray detectors to...

The Pyynikki Esker is a unique geological formation located near Tampere, Finland. It’s notable as the world’s highest longitudinal esker, rising dramatically above both the sea and Lake Pyhäjärvi. This elevated ridge provides an exceptional viewpoint and is popular with hikers and visitors interest...

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...

The Beipanjiang Bridge Duge is a significant suspension bridge located in China. It’s notable for being the world’s tallest bridge at an elevation of approximately 565 meters above the Beipan River gorge. Constructed in 2016, this structure provides vital roadway access across a challenging terrain...

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...

The Sidu River Bridge spans the Sidu River in Hubei Province, China. Completed in 2009, it is notable for being one of the tallest bridges globally at the time of construction. Its significant height allows for roadway passage over a challenging river valley. This bridge serves transportation needs...

The Aizhai Bridge spans the Xiang River in Hunan Province, China. Constructed in 2012, it is notable for being one of the world’s highest suspension bridges, featuring a significant tunnel section beneath its roadway. The bridge facilitates transportation and travel across the deep gorge, primarily...

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...

The Great Esker is a significant geological feature located within Weymouth Park, Massachusetts. It represents a raised ridge formed by flowing groundwater beneath glacial deposits during the last ice age. This esker, reaching approximately eighty feet in height, is one of the tallest examples found...

Edward H. White II was an American engineer, United States Air Force officer, and NASA astronaut. During the Gemini 4 mission in June 1965, he became the first American to perform an extravehicular activity, remaining outside the spacecraft for about 23 minutes while using a handheld maneuvering dev...

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...