Planet Mars captured in "true" color for the first time ever
网页2024年1月8日 · Marvelous Mars in true, full color. Typically, the HRSC captures the Martian surface from about 300 kilometers up, focusing on areas around 50 kilometers wide. However, this new mosaic adopts a different approach. To encompass a broader view, the camera collected 90 images from higher altitudes, …
Supercontinents 101: Pannotia, Gondwana, and Pangea - Earth.com
网页The three most recent supercontinents were Pangea, Gondwana, and Pannotia. Geologists think there were other supercontinents before these three. We call them Nuna (or Columbia), Rodinia, and Ur. One definition of a supercontinent is a single landmass that contains at least 75% of all land on Earth.
Earth's Magnetic Field: Origin, Structure, and Impact on Humanity
网页Earth’s magnetic field, also known as the geomagnetic field, is a powerful, vital phenomenon that extends from the interior of the Earth into outer space, where it interacts with the solar wind, a stream of charged particles emanating from the Sun. This magnetic field serves as a protective shield against solar radiation and plays a crucial ...
What Are the Current Theories of How the Universe formed?
网页300 million years. We’re jumping forward a bit here. As the initial burst of atoms and gas expands, gravity starts to become a relevant factor. Pockets of different densities of gas give birth to stars and collections of stars start to form galaxies. ~9 billion years. Our sun forms. The universe is roughly 14 billion years old, and our sun is ...
Earth.com -- Earth News, Earth Images, Earth Videos
网页Hurricane Helene left its mark on the ocean. 10-04-2024. Hubble captures a stunning stellar nursery. 10-03-2024. Southern Ring Nebula in the constellation Vela. 10-02-2024. Spiral galaxy NGC 6744 in the constellation Pavo. 10-01-2024. Crab Nebula: The remains of a massive star explosion.
The top 10 rainiest places in the world - Earth.com
网页2018年2月4日 · With rain falling up to three weeks straight, Cherrapunji accumulates over 463 inches of rain each year. Tutendo, Colombia, South America. Two rainy seasons dump an average of 463 inches of rain in Tutendo, and nearby Quibdo is considered to be the wettest city in the world. Cropp River, New Zealand. An …
How many humans have lived on Earth? It's a very big number
网页2024年6月9日 · Earth has been home to 108 billion humans. Estimating the total number of humans who have ever lived is a testament to the complex interplay of demographic factors, historical data, and educated assumptions. While the figure of 108 billion is an estimate, it provides a captivating glimpse into the immense scale of human existence on Earth.
Animal Encyclopedia - Earth.com
网页Using our Animal Encyclopedia, you can explore almost every known animal species that inhabit planet earth by browsing through the six main phyla classifications: Annelids, Arthropods, Chordates, Cnidarians, Mollusks, Nematodes. Annelids – Annelids are a large phylum that contains over 22,000 species, including ragworms, earthworms, and leeches.
World’s oldest forest discovered close to New York City
网页2024年1月21日 · Before this discovery, the oldest known forest was in Gilboa, New York, located about 25 miles from the Cairo site. Discovered in the late 19th century, the Gilboa forest was home to Gilboa Trees, or Eospermatopteris, one of the earliest plant species on Earth. These fern-like trees, reaching around 30 feet tall, lacked wood.
Vast ocean 400-miles inside the Earth creates "ringwoodite" gems ...
网页2024年8月29日 · Following the ringwoodite. Ringwoodite, a high-pressure mineral with a captivating blue hue, was named after the Australian geologist Alfred Ringwood, forms deep within the Earth’s mantle at depths between 410 and 660 kilometers (250-410 miles). What makes ringwoodite truly remarkable is its ability to store water within its crystal structure.