Gliese 581 (/ˈɡliːzə/) is a red dwarf star of spectral type M3V at the center of the Gliese 581 planetary system, about 20.5 light years away from Earth...

and under construction buildings in Canada with an official height of 150 m (492 ft) or more. Greater Toronto has 87 (Toronto 84 (including the eight...

structure and is 987 m (3,238 ft) long, 29 m (95 ft) wide, and 104 m (341 ft) high. Cantilever arms 177 m (581 ft) long support a 195 m (640 ft) central structure...

second-largest geothermal power station in Iceland. The facility is located 177 m (581 ft) above sea level in the southwestern part of the country, near Þingvellir...

/ˈɡliːzə/ (Gl 581c or GJ 581c) is an exoplanet orbiting within the Gliese 581 system. It is the second planet discovered in the system and the third in...

247 m (810 ft), the tallest building in the city is Brookfield Place. The second-tallest building in the city is The Bow, standing at 58-storeys, 236 m (774 ft)...

agricultural variety, with the North Warwickshire plateau rising to 177 m (581 ft) above sea-level at Bentley Common, 2.5 miles southwest of Atherstone...

/ˈɡliːzə/ was a candidate exoplanet postulated to orbit within the Gliese 581 system, twenty light-years from Earth. It was discovered by the Lick–Carnegie...

a given place and time. Although in modern terms 1 stadion = 600 ft (180 m), in a given historical context it may actually signify a length up to 15%...

Gliese 581b or Gl 581b is an exoplanet orbiting within the Gliese 581 system. It is the first planet discovered of three confirmed in the system so far...