 the year 1955 in science and technology included many events, some of which are listed below. ==astronomy== * january 8 â penumbral lunar eclipse. * june â fred hoyle and martin schwarzschild describe the mechanism for the creation of red giant stars. * june 5 â penumbral lunar eclipse. * june 20 â total solar eclipse of 7 min 8 sec duration, the longest between the 11th and 22nd centuries, visible in southeast asia. during the entire second millennium, only seven such eclipses exceed seven minutes of totality. * november 29 â partial lunar eclipse. * december 14 â annular solar eclipse. * jan oort confirms that polarized light from the crab nebula is produced by synchrotron radiation."1955". houghton mifflin guide to science & technology. ==biochemistry== * february 26 â rosalind franklin publishes her observation that tobacco mosaic virus rods are all of identical length. * december 22 â cytogeneticist joe hin tjio working with albert levan at lund university demonstrates that there are forty-six human chromosomes. ==chemistry== * february 19 â mendelevium (atomic number 101) is first synthesized by albert ghiorso, glenn t. seaborg, gregory r. choppin, bernard g. harvey, and stanley g. thompson (te
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