[DOC] [TLE] How the Sun Shines - Nobelprize.org [PAR] Jun 29, 2000 ... How does the sun produce the vast amount of energy necessary to .... of the 
masses of many different atoms, among them hydrogen and helium. ... entry of 
Hans Bethe, the acknowledged master of nuclear physics. ... Bethe worked out 
the basic nuclear processes by which hydrogen is ..... 55, 436 (1939). [DOC] [TLE] Hans Bethe - Wikipedia [PAR] Hans Albrecht Bethe was a German and American nuclear physicist who, in 
addition to making ... Rose Ewald (married in 1939; two children) ... There he 
played a key role in calculating the critical mass of the weapons and ... role in the 
development of the hydrogen bomb, though he had originally joined the project 
with the... [DOC] [TLE] Protonproton chain reaction - Wikipedia [PAR] The protonproton chain reaction is one of the two (known) sets of fusion 
reactions by which stars convert hydrogen to helium. It dominates in stars the size 
of the Sun or smaller. ... In 1939, Hans Bethe proposed that one of the protons 
could beta decay into a neutron via the weak .... Triple-alpha process  CNO cycle
... [DOC] [TLE] Nuclear Energy - The Theory - Electropaedia [PAR] It is positron decay which initiates the Sun's nuclear fusion. A Hydrogen atom (
proton) is transformed into a neutron which then fuses with another ..... The 
energy released from practical amounts of fuel can be calculated as follows: .... In 
1939 Hans Bethe explained that this process occurs in the stars all over the 
universe but... [DOC] [TLE] What makes stars shine - StarChild - NASA [PAR] The simple answer is that deep inside the core of the Sun, enough protons can ... 
4 million tons of its material into heat and light through the process of nuclear 
fusion. ... However, calculations showed that a star powered on chemical energy 
... Hans Bethe realized that a proton smashing into another proton with enough... [DOC] [TLE] Hans Albrecht Bethe facts, information, pictures | Encyclopedia.com ... [PAR] Get information, facts, and pictures about Hans Albrecht Bethe at ... In 1938 he 
formulated the nuclear physics responsible for energy production in stars. .... 
much that was new, materials that Bethe had worked out in the preparation of his 
essay. .... positrons, Bethetogether with Walter Heitlerused hole theory to 
calculate... [DOC] [TLE] The Fusion Quest - The New York Times [PAR] According to Greek mythology, fusion energy, the fire of the Sun, is a gift hard 
won. ... the fusing together of the nuclei of very light atoms (such as hydrogen) 
would ... and Hans Bethe went on to produce the quantitative theory of fusion 
energy in ... fusion soon took a back seat to the discovery, in 1939, of the nuclear 
fission... [DOC] [TLE] High Energy Astrophysics Group [PAR] The Department of Physics grew out of the Department of Arts and Sciences 
shortly thereafter. ... 26, 1939, Niels Bohr announced that Otto Hahn had 
successfully split the atom, ushering ... Front row center is Hans Bethe; to the right 
are I.I. Rabi, Niels Bohr and Felix ... 1938 Conference: Stellar energy and nuclear 
processes. [DOC] [TLE] Hans Albrecht Bethe. 2 July 1906 - Biographical Memoirs of Fellows ... [PAR] Dec 1, 2007 ... theoretical physics with many of the greatest minds within the ... Hans Bethe was 
close to his father, and they talked about scientific matters. .... When he joined the 
physics ... their calculations led to an inaccurate value for the luminosity of the 
Sun. .... structure of the energy levels of the hydrogen atom (Lamb... [DOC] [TLE] The Source of Solar Energy, ca. 1840-1910: From ... - arXiv.org [PAR] solar heat despite its prediction of an age of the Sun of only 20 million years. ... 
nuclear processes there was a period in which radioactivity was considered a ... 
pointed out that Bethe's celebrated theory of 1939 of stellar energy production ... 
With regard to this question, the physicists' calculations disagreed violently with 
the. [DOC] [TLE] The Cosmos in Your Pocket: How Cosmological Science ... - arXiv.org [PAR] Many professional popularizers

Question: In 1939 Hans Bethe calculated how much energy the sun puts out as hydrogen atoms join together by this process
Answer: nuclear fusion