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The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
The discovery of a newly identified species — the oldest saber-toothed animal found and an ancient cousin to ... Called gorgonopsians, the earliest animals in this lineage have long been missing ...
PSR B1620-26 b is an exoplanet located approximately 12,400 light-years from Earth in the constellation of Scorpius.It bears the unofficial nicknames "Methuselah" and "the Genesis planet" (named after the Biblical character Methuselah, who, according to the Bible, lived to be the oldest person) due to its extreme age.
They are found in some lizards, where they are mostly made of cartilage, as well as crocodiles and the tuatara, and are not attached to the spine or thoracic ribs. The true ribs are small projections, with small, hooked bones, called uncinate processes, found on the rear of each rib. [54] This feature is also present in birds.
The solar magnetic field extends well beyond the Sun itself. The electrically conducting solar wind plasma carries the Sun's magnetic field into space, forming what is called the interplanetary magnetic field. [86] In an approximation known as ideal magnetohydrodynamics, plasma particles only move along magnetic field lines. As a result, the ...
Hylonomus (/ h aɪ ˈ l ɒ n əm ə s /; hylo-"forest" + nomos "dweller") [2] is an extinct genus of reptile that lived during the Bashkirian stage of the Late Carboniferous.It is the earliest known crown group amniote and the oldest known unquestionable reptile, with the only known species being Hylonomus lyelli.
Quetzalcoatlus (/ k ɛ t s əl k oʊ ˈ æ t l ə s /) is a genus of azhdarchid pterosaur that lived during the Maastrichtian age of the Late Cretaceous in North America. The first specimen, recovered in 1971 from the Javelina Formation of Texas, United States, consists of several wing fragments and was described as Quetzalcoatlus northropi in 1975 by Douglas Lawson.
The 52–53-year-old space probe is receding from the Sun at over 43,400 km/h (27,000 mph), [64] Since the start of the Space Age , a great deal of exploration has been performed by robotic spacecraft missions that have been organized and executed by various space agencies.