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In 2024, Late Cretaceous -aged fossil specimens of actual early platypus relatives were recovered from the same rocks as Steropodon, including the basal Opalios and the more derived Dharragarra, the latter of which may be the oldest member of the platypus stem-lineage, as it retains the same dental formula found in Cenozoic platypus relatives ...
Galileo [9] [10] discovered the Galilean moons. These satellites were the first celestial objects that were confirmed to orbit an object other than the Sun or Earth. Galileo saw Io and Europa as a single point of light on 7 January 1610; they were seen as separate bodies the following night. [11] Callisto: Jupiter IV o: 8 January 1610 p: 13 ...
1946 – American launch of a camera-equipped V-2 rocket provides the first image of the Earth from space. [174] 1949 – Gerard Kuiper discovers Uranus's moon Miranda and Neptune's moon Nereid. [173] 1950 – Jan Oort suggests the presence of a cometary reservoir in the outer limits of the Solar System, the Oort cloud. [175]
First Earth orbiter [1] [2] Sputnik 2: 3 November 1957 Earth orbiter, first animal in orbit, a dog named Laika [2] [3] [4] Explorer 1: 1 February 1958 Earth orbiter; discovered Van Allen radiation belts [5] Vanguard 1: 17 March 1958 Earth orbiter; oldest spacecraft still in Earth orbit [6] Luna 1: 2 January 1959
The world's largest platypus conservation centre has welcomed its first residents as part of a project to protect the semi-aquatic mammal found only in Australia amid threats to its habitat from ...
By RYAN GORMAN Scientists may have found Planet X -- the long-rumored object believed to be larger than Earth and further from the sun than Pluto. Planet X and another object dubbed "Planet Y ...
First in-person observations of Earth from a distance. First Trans-Earth injection. USA (NASA) Apollo 8 [25] 24 December 1968 First human flight to another celestial body (the Moon) and to enter its gravitational influence. USA (NASA) Apollo 8 [25] January 1969: First docking between two crewed spacecraft in Earth orbit. First crew exchange in ...
The researchers were surveying turtle populations along the Gwydir River in 2021 when the ghost-colored platypus appeared, according to an Oct. 31 study in the journal Australian Mammalogy.