Editing 1908 in science (section)

==Astronomy==
* If its start and end are defined using [[Solar time|mean solar time]] then due to the extreme [[length of day]] variation this is the longest year of the [[Julian calendar]] or [[Gregorian calendar]], having a duration of 31622401.38 seconds of [[Terrestrial Time]] (or [[ephemeris time]]).<ref>{{cite journal|journal=[[Philosophical Transactions of the Royal Society A]]|issn=0080-4614|last1=Stephenson|first1=F. R.|last2=Morrison|first2=L. V.|last3=Whitrow|first3=G. J.|year=1984|volume=313|issue=1524|pages=47–70|url=http://rsta.royalsocietypublishing.org/content/313/1524/47.full.pdf+html|format=PDF|title=Long-Term Changes in the Rotation of the Earth: 700 B.C. to A.D. 1980|doi=10.1098/rsta.1984.0082 |bibcode=1984RSPTA.313...47S|s2cid=120566848 |access-date=2012-05-24|url-access=subscription}}</ref>
* [[January 3]] – The total [[solar eclipse of January 3, 1908]] is visible in the Pacific Ocean and is the 46th solar eclipse of [[Solar Saros 130]].
* [[June 28]] – The annular [[solar eclipse of June 28, 1908]] is visible from Central America, North America, Atlantic Ocean and Africa and is the 33rd solar eclipse of [[Solar Saros 135]].
* {{OldStyleDateNY |June&nbsp;30 |June&nbsp;17 }} – [[Tunguska event]] in [[Siberia]], an [[explosion]] believed to have been caused by the [[air burst]] of a large [[meteoroid]] or [[comet]] fragment at an altitude of {{convert|5|–|10|km|0}} above the Earth's surface.<ref>{{cite book|last=Pasechnik|first=I. P.|chapter=Refinement of the moment of explosion of the Tunguska meteorite from the seismic data|title=Cosmic Matter and the Earth|location=Novosibirsk|publisher=Nauka|year=1986|page=66|language=Russian}}</ref><ref>{{cite journal|last1=Farinella|first1=Paolo|last2=Foschini|first2=L.|last3=Froeschlé|first3=Christiane|last4=Gonczi|first4=R.|last5=Jopek|first5=T. J.|last6=Longo|first6=G.|last7=Michel|first7=Patrick|url=http://www-th.bo.infn.it/tunguska/aah2886.pdf|title=Probable asteroidal origin of the Tunguska Cosmic Body|journal=[[Astronomy and Astrophysics]]|volume=377|issue=3|pages=1081–1097|year=2001|doi=10.1051/0004-6361:20011054 |access-date=2011-08-23 |bibcode=2001A&A...377.1081F|doi-access=free}}</ref><ref>{{cite journal|last=Trayner|first=Chris|title=Perplexities of the Tunguska Meteorite|journal=[[The Observatory (journal)|The Observatory]]|volume=114|pages=227–231|year=1994|bibcode=1994Obs...114..227T}}</ref>
* November – [[George Ellery Hale]] publishes his observation that [[sunspot]]s have a [[magnetic field]].<ref>{{Cite journal|last=Hale|first=G. E.|year=1908|title=On the Probable Existence of a Magnetic Field in Sun-Spots|journal=The Astrophysical Journal|volume=28|pages=315|bibcode=1908ApJ....28..315H|doi=10.1086/141602|doi-access=free}}</ref>
* [[December 23]] – The hybrid [[solar eclipse of December 23, 1908]] is visible from Atlantic Ocean and is the 23rd solar eclipse of [[Solar Saros 140]].