hydrogen line वाक्य
उदाहरण वाक्य
मोबाइल
- They have extremely weak hydrogen lines, if they are present at all, and mostly neutral metals ( titanium oxide become present.
- At Masulipatam, Pogson detected the hydrogen lines in emission, as had all the teams that had a programme of observation with the spectroscope.
- Assuming that the hydrogen atoms are uniformly distributed throughout the galaxy, each line of sight through the galaxy will reveal a hydrogen line.
- Classical mechanics predicted that a collection of stars could be supported against gravitational collapse by either 21 cm hydrogen line in the 1930s.
- In 1939 he proved hydrogen emissions in aurora borealis, and in 1948 he pointed out the doppler effect in hydrogen lines of aurora borealis.
- Nobody could predict the wavelengths of the hydrogen lines until 1885 when the Balmer formula gave an empirical formula for the visible hydrogen spectrum.
- Hydrogen is easily detected in the ultraviolet ( UV ) and visible ranges from its absorption and emission of light ( the hydrogen line ).
- They have strong hydrogen lines, at a maximum by A0, and also lines of ionized metals ( Ca II lines is notably strengthening by this point.
- AE And has prominent allowed and forbidden Fe II and hydrogen lines in its emission spectrum, as well as weaker He I and N II lines.
- When pointed to the horizon, the telescope was 81 % efficient at wavelengths of 21 cm ( the hydrogen line ), dropping to 45 % at 11 cm.
- Type II supernovae with normal spectra dominated by broad hydrogen lines that remain for the life of the decline are classified on the basis of their light curves.
- The two values are in fact the same distance apart from the hydrogen line the first ( 49.75kHz ) below and the second ( 49.85kHz ) above.
- The hydrogen line, 21 centimeter line or HI line refers to the electromagnetic radiation spectral line that is created by a change in the energy state of neutral hydrogen atoms.
- The same effect has been observed for other spectral lines such as the Ly-? hydrogen line and the C III ] ( ? 1909 ) line of twice ionised carbon.
- In addition, a small pin came loose in one engine and damaged liquid hydrogen lines in an engine nozzle, resulting in the shuttle going into a slightly lower than expected orbit.
- Early in Discovery's ascent, a rocket engine pressure sensor was rendered inactive by a small piece of test equipment that had been inadvertently left inside a narrow hydrogen line during ground operations.
- In 1972, Stirling Colgate, a professor at " Science " proposing salvaging MAR . He felt that after minor re-tuning it would make an excellent radio astronomy instrument for observing the hydrogen line.
- Forbidden lines of nitrogen ( [ N II ] at 654.8 and 658.4 21-cm hydrogen line is particularly important for radio astronomy as it allows very cold neutral hydrogen gas to be seen.
- However it is still in a core hydrogen burning phase and hydrogen lines are also visible in the spectrum, in contrast to WN stars without hydrogen which are older, less massive, and less luminous.
- At a cosmological redshift of z \ sim 6, Wouthuysen Field coupling is expected to raise the spin temperature of neutral hydrogen above that of the CMB, and produce emission in the hydrogen line.
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