marks the southern end of Eridanus (the River), which meanders high overhead, ending at the feet of Orion the Hunter.
On the Determination of the Rotational Oblateness of Achernar
This gives a path from just below Triangulum Australis, directly towards Achernar
, which was probably below the line of hills Bennie refers to and hence not visible at the time.
Eridanus: The sixth largest of modern constellations, this southern system contains Achernar
- one of the flattest stars known.
I managed to find Cetus, and from there traced Eridanus down to Achernar
, and Aquarius with Piscis Australis.
Astronomers have discovered that the bright stars Altair and Achernar
also spin so fast that they're not round.
Sirius, Canopus, Alpha Centauri system, Arcturus, Vega, Capella system, Rigel, Procyon, Achernar
At the Southern end of the river is the Star Achernar
, which rules everyone born between March 1st and 12th.
Although astronomers already knew that Achernar
spins at least 225 kilometers per second, they were flat-out astonished by their newest observations.
All Indian Ocean navigators favored the use of stars on the meridian for determining latitude: first the Pole Star, and when that star was beclouded or below the horizon, they switched to some other star at culmination,(5) such as |Beta~ Ursae Minoris (the Greater Farqad), the brightest star in the vicinity of the North Pole, or Achernar
(sulbar) in the Southern Hemisphere.
in the central Transantarctic Mountains, are at about 82 degrees south latitude.
The south celestial pole can be found midway along the line joining Crux to Achernar