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The probe left the heliosphere for interstellar space at 119 AU on November 5, 2018. [4] Voyager 2 is still active. It is not heading toward any particular star, although in roughly 40,000 years it should pass 1.7 light-years from the star Ross 248. [5] Ross 248 and the Sun currently approach each other.
In many cases it is not possible to have an exact value, and an estimated range is instead provided. The coldest and oldest planet directly imaged is Epsilon Indi Ab , which has six times Jupiter's mass, an effective temperature of 275 K, and an age of about 3.5 Ga.
Left Jupiter in December 1973. Mission ended March 1997. Last contact 23 January 2003. Craft now presumed to lack sufficient power for antenna. 1972-012A: Pioneer 11: NASA: success Left Saturn in September 1979. Last contact September 1995. The craft's antenna cannot be maneuvered to point to Earth. Craft now presumed to lack sufficient power ...
A May 2016 study based on scaling laws estimated that 1 trillion species (overwhelmingly microbes) are on Earth currently with only one-thousandth of one percent described, [28] [29] though this has been controversial and a 2019 study of varied environmental samples of 16S ribosomal RNA estimated that there exist 0.8-1.6 million species of ...
It took the crew two days of trekking through the jungle, carrying provisions and gear, to reach Vietnam's enormous Hang Son Doong cave.
NASA’s Suni Williams and Butch Wilmore will wait until 2025 to return to Earth on their newly assigned spacecraft, SpaceX’s Crew-9. Here’s what they’re doing in space.
More than 99 percent of all species, amounting to over five billion species, [7] that ever lived on Earth are estimated to be extinct. [8] [9] Estimates on the number of Earth's current species range from 10 million to 14 million, [10] of which about 1.2 million have been documented and over 86 percent have not yet been described. [11]
Meteorite fall statistics are frequently used by planetary scientists to approximate the true flux of meteorites on Earth. Meteorite falls are those meteorites that are collected soon after being witnessed to fall, whereas meteorite finds are discovered at a later time. Although there are 30 times as much finds than falls, their raw ...