Sentences with phrase «type stars emit»
Not exact matches
The find, which was announced in Nature, is the brightest pulsar — a type of rotating neutron star that emits a bright beam of energy that regularly sweeps past Earth like a lighthouse beam — ever seen.
https://www.sciencedaily.com/
In addition, stars with surface temperatures of 3,300 kelvins or lower (red dwarfs of spectral type M2.5 such as Gliese 581, or redder) would emit so fewer photons towards the bluish wavelengths compared to Sol that the sky would appear whitish down to reddish to Human eyes (more from Earth Science Picture of the Day).
Life could eventually spread farther when such stars evolve pass their flare stage, since spectral - type M stars emit much less ultraviolet radiation once they quiet down.
It is a New Suspected Variable star designated NSV 1100, and observations announced in 1998 suggest that Kappa Ceti emits a new gargantuan class of stellar mass ejection associated recently with Sol - type stars of spectral class F8 to G8 called a «superflare» (Schaefer et al, 2000).