The earliest undisputed evidence of life on Earth dates at least from 3.5 billion years ago, during the Eoarchean Era, after a geological crust started to solidify following the earlier molten Hadean Eon. There are microbial mat fossils such as stromatolites found in 3.48 billion-year-old sandstone discovered in Western … See more The history of Earth concerns the development of planet Earth from its formation to the present day. Nearly all branches of natural science have contributed to understanding of the main events of Earth's … See more The history of the Earth can be organized chronologically according to the geologic time scale, which is split into intervals based on stratigraphic analysis. The following five timelines show the geologic time scale to scale. The first shows the entire time from the … See more The first eon in Earth's history, the Hadean, begins with the Earth's formation and is followed by the Archean eon at 3.8 Ga. The oldest rocks found on Earth date to about 4.0 Ga, and the oldest detrital zircon crystals in rocks to about 4.4 Ga, soon after the formation … See more The Phanerozoic is the current eon on Earth, which started approximately 538.8 million years ago. It consists of three eras: The See more In geochronology, time is generally measured in mya (million years ago), each unit representing the period of approximately … See more The standard model for the formation of the Solar System (including the Earth) is the solar nebula hypothesis. In this model, the Solar System … See more The Proterozoic eon lasted from 2.5 Ga to 538.8 Ma (million years) ago. In this time span, cratons grew into continents with modern sizes. The change to an oxygen-rich atmosphere was a crucial development. Life developed from prokaryotes into See more WebJan 21, 2024 · The 98 million-year-old remains of what might be the largest animal to walk Earth — a long-necked titanosaur dinosaur — were recently unearthed in Argentina. The remains of the unnamed ...

When Were the Planets Discovered in Our Solar System?

WebJan 11, 2024 · Scientists have discovered a world that is likely rocky and 95% of the size of Earth. The planet, called TOI 700 e, is orbiting around a star and could have liquid water on it, NASA says. This is ... WebEach year, the Earth Science Division’s Research and Analysis Program combines space, airborne, and ground-based observations with data processing from high-tech computer models and algorithms to uncover … dark brown leather cross body bag

2024: A Year of Discovery at Lamont-Doherty Earth Observatory

WebDec 3, 2012 · When Was Earth Discovered. Also called the Blue Planet (due to its color when seen from outer space), the World, and Terra (a … WebOct 24, 2016 · One Saturn year is the equivalent of 29 Earth years. Pioneer 11 took the first close-up images of Saturn after passing just 20,000 km above Saturn’s clouds. ... an … Web11 hours ago · According to father-daughter research duo Morgon and Lee G. Irons, missions to other planets will require us to recreate Earth’s ecosystems, gravity, and oxygen to survive. In a new paper ... biscoff cookie butter blondies