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6 hours ago · Cosmic origin[edit] The interpretation of the cosmic microwave background was a controversial issue in the late 1960s. Alternative explanations included energy from within the solar system, from galaxies, from intergalactic plasma, from multiple extragalactic radio sources. Two requirements would show that the microwave radiation was truly ...
6 hours ago · The tiger ( Panthera tigris) is a member of the genus Panthera and the largest living cat species native to Asia. It has a powerful, muscular body with a large head and paws, a long tail and orange fur with black, mostly vertical stripes. It is traditionally classified into nine recent subspecies, though some recognise only two subspecies, mainland Asian tigers and the island tigers of the ...
6 hours ago · Space colonization is the use of outer space for colonization, such as permanent habitation, exploitation or territorial claims. Extraterrestrial colonization is its broader form, including the use of celestial bodies, other than Earth, for interplanetary colonization . The inhabitation and territorial use of extraterrestrial space has been ...
1 day ago · Metal–organic frameworks ( MOFs) are a class of porous polymers consisting of metal clusters (also known as Secondary Building Units - SBUs) coordinated to organic ligands to form one-, two- or three-dimensional structures. The organic ligands included are sometimes referred to as "struts" or "linkers", one example being 1,4-benzenedicarboxylic acid (BDC).
6 hours ago · Compare electricity usage and plans in Adelaide to manage costs effectively. Learn tips, usage factors, and how to find the best plan for your needs.
1 day ago · Jean Elaine Grey is a character appearing in American comic books published by Marvel Comics. Created by writer Stan Lee and artist/co-plotter Jack Kirby, the character first appeared in The X-Men #1 (September 1963). [1] [2] Jean Grey is a member of a subspecies of humans known as mutants, born with superhuman abilities.
