Editing 1976 in science (section)

==Astronomy and space exploration==
* March – [[Faber–Jackson relation]] presented by astronomers [[Sandra M. Faber]] and [[Robert Jackson (scientist)|Robert Earl Jackson]].<ref>{{cite journal|url=https://ui.adsabs.harvard.edu/abs/1976ApJ...204..668F/abstract|title=Velocity dispersions and mass-to-light ratios for elliptical galaxies|first1=S. M.|last1=Faber|first2=R. E.|last2=Jackson|journal=Astrophysical Journal|volume=204|pages=668–683|year=1976|doi=10.1086/154215 |bibcode=1976ApJ...204..668F }}</ref>
* June 18 – [[Gravity Probe A]], a satellite-based experiment to test [[Albert Einstein]]'s theory of [[general relativity]], is launched.
* July 20 –  [[Viking program]]: The ''[[Viking 1]]'' lander successfully lands on [[Mars]].
* July 31 – [[NASA]] releases the famous '[[Face on Mars]]' photograph, taken by ''[[Viking 1]]''
* August 7 – [[Viking program]]: ''[[Viking 2]]'' enters into orbit around Mars.
* August 22 – [[Luna program]]: [[Luna 24]] successfully makes an unmanned landing on the [[Moon]], the last for 37 years.
* September 3 – [[Viking program]]: The ''[[Viking 2]]'' spacecraft lands at [[Utopia Planitia]] on Mars and takes the first close-up color photographs of the planet's surface.
* September 17 – [[Space Shuttle Enterprise|Space Shuttle ''Enterprise'']] rolled out.
* ''[[Universe (1976 film)|Universe]]'', a [[public domain]] film produced by [[Lester Novros]] for [[NASA]], is released.