"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 ...

"Its luminosity and proximity makes it an ideal ... This zone depends on several factors, mainly the stellar properties. For stars such as the sun or HD 20794, it can extend from 0.7 to 1.5 ...

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 ...

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 ...

‘‘Its luminosity and proximity makes it an ... 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 ...

Its luminosity and proximity make it an ideal candidate ... spans from 0.7 to 1.5 astronomical units (AU). HD 20794 d takes 647 days to orbit its star, similar to Mars, but its orbit is elliptical, ...