NationMaster - Encyclopedia: 1939 in science

FACTOID # 126: Iceland has many, many more tractors per 1000 hectares of cropland than any other nation - more than twice that of the next highest country, Slovenia.

Interesting agriculture facts »

Home

Encyclopedia

WHAT'S NEW

RECENT ARTICLES

More Recent Articles »

FACTS & STATISTICS Simple view

Select countries to view: (hold down Control key and click to select several)

Compare:

Select fact or statistic: (* = graphable)
(OPTIONAL) Compare to statistic: (both need to be graphable)
View result as:

Encyclopedia > 1939 in science

See also:
Other events of 1939
List of years in science
...
1938 in science
1939 in science
1940 in science
...

The year 1939 in science and technology included events, some of which are listed here.

Contents

Astronomy

Robert Oppenheimer and H. Snyder predict the existence of a new type of celestial objects that would come to be called black holes (Phys.Rev. 56, 455-459, 1939).
Robert Oppenheimer and G. Volkoff first calculate the structure of neutron stars, a new type of celestial object (Phys.Rev. 55, 374-381 1939).

Physics

Nuclear fission discovered independently by Lise Meitner and Otto Hahn

Awards

Nobel Prizes

Births

May 19 - Dick Scobee (d. 1986), astronaut.
October 7 - John Hopcroft, American theoretical computer scientist.

Deaths

October 7 - Harvey Cushing (b. 1869), American neurosurgeon.

Categories: 1939 | Years in science

Results from FactBites:

1939 in science - Wikipedia, the free encyclopedia (117 words)
	The year 1939 in science and technology included events, some of which are listed here.
	Snyder predict the existence of a new type of celestial objects that would come to be called fl holes (Phys.Rev. 56, 455-459, 1939).
	Volkoff first calculate the structure of neutron stars, a new type of celestial object (Phys.Rev. 55, 374-381 1939).

More results at FactBites »

COMMENTARY

Share your thoughts, questions and commentary here

Want to know more?
Search encyclopedia, statistics and forums:

Feeds | Contact
The Wikipedia article included on this page is licensed under the GFDL.
Images may be subject to relevant owners' copyright.
All other elements are (c) copyright NationMaster.com 2003-5. All Rights Reserved.
Usage implies agreement with terms.