"Its luminosity and proximity ... from as far as 2 astronomical units (300 million km/186 million miles — i.e. twice the Earth–sun distance) from its star to as close as 0.75 AU (112 million ...

"Its luminosity and proximity ... mainly the stellar properties. For stars such as the sun or HD 20794, it can extend from 0.7 to 1.5 astronomical units (AU), encompassing not only the orbit ...

‘‘Its luminosity and proximity ... mainly the stellar properties. For stars such as the Sun or HD 20794, it can extend from 0.7 to 1.5 astronomical units (AU), encompassing not only the ...

They then selected stars whose temperature and luminosity are comparable to those of the Sun ... From the energy distribution of the number of stellar eruptions per year and per unit of energy (see ...

‘‘Its luminosity and proximity ... mainly the stellar properties. "For stars such as the Sun or HD 20794, it can extend from 0.7 to 1.5 astronomical units (AU), encompassing not only the ...

An international team, including the UNIGE, has discovered a super-Earth that will enable astronomers to test new hypotheses ...

To Guyon, a star’s luminosity is “a boiling blob of light ... SETI Institute Senior Software Engineer Jon Richards works on one of the units in the Allen Telescope Array, the only facility ...

Tafreshi (twanight.org) The belts are found at distances of 10–100 astronomical units (1 AU equals the ... to form the belts, the luminosity of the star, and the nearby stellar environment.

which is the unit of astronomical measurement, but there will be no transit of Venus until 2004—and then it may rain! Eros exhibited remarkable fluctuations in luminosity during its fairly close ...