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The average lifespan is about 60 years, but they can live to be well over 100 years old; [9] tuatara could be the reptile with the second longest lifespan after tortoises. [citation needed] Some experts believe that captive tuatara could live as long as 200 years. [100] This may be related to genes that offer protection against reactive oxygen ...
Planetary habitability in the Solar System is the study that searches the possible existence of past or present extraterrestrial life in those celestial bodies. As exoplanets are too far away and can only be studied by indirect means, the celestial bodies in the Solar System allow for a much more detailed study: direct telescope observation, space probes, rovers and even human spaceflight.
The term can also denote an estimate of the maximum amount of time that a member of a given species could survive between birth and death, provided circumstances that are optimal to that member's longevity. Most living species have an upper limit on the number of times somatic cells not expressing telomerase can divide.
Space medicine is a developing medical practice that studies the health of astronauts living in outer space. The main purpose of this academic pursuit is to discover how well and for how long people can survive the extreme conditions in space, and how fast they can re-adapt to the Earth's environment after returning from space.
The first primate launched into high subspace, although not a space flight, was Albert I, a rhesus macaque, who on June 18, 1948, rode a rocket flight to over 63 km (39 mi) in Earth's atmosphere on a V-2 rocket. Albert I died of suffocation during the flight and may actually have died in the cramped space capsule before launch. [1] [2] [3]
Earth and the Moon viewed from Mars's orbit. Space and survival is the idea that the long-term survival of the human species and technological civilization requires the building of a spacefaring civilization that utilizes the resources of outer space, [1] and that not doing this might lead to human extinction.
At around 600 miles wide and up to 6,000 meters (nearly four miles) deep, the Drake is objectively a vast body of water. To us, that is. To the planet as a whole, less so.
This is an accepted version of this page This is the latest accepted revision, reviewed on 25 December 2024. Scientific projections regarding the far future Several terms redirect here. For other uses, see List of numbers and List of years. Artist's concept of the Earth 5–7.5 billion years from now, when the Sun has become a red giant While the future cannot be predicted with certainty ...