Earthshine
Night Sky

The Night Sky This Month: March 2018

February 27, 2018 James Miller 0

Northern hemisphere observers will no doubt be overjoyed by the fact that the Vernal Equinox (spring equinox) occurs on March 20, which heralds the advent of spring in the northern hemisphere, the current severe weather […]

Caph
Stars

Star Facts: Caph

February 16, 2018 James Miller 0

Caph (Beta Cassiopeiae) is a yellow-white Delta Scuti-class variable, F2-type giant star in the constellation Cassiopeia, with an apparent visual magnitude of +2.27. Along with the stars Alpheratz (Alpha Andromedae) and Algenib (Gamma Pegasi), Caph […]

Gamma Cassiopeia
Stars

Star Facts: Gamma Cassiopeia

February 16, 2018 James Miller 0

Unlike most other prominent naked-eye stars, the star Gamma Cassiopeiae does not have a traditional Latin or Arabic name, which is strange considering that the star is relatively bright with a mean apparent magnitude of […]

Schedar
Stars

Star Facts: Schedar

February 16, 2018 James Miller 0

Schedar (Alpha Cassiopeiae) is a second magnitude star in the constellation Cassiopeia which despite its “Alpha” designation appears to be marginally dimmer than Beta Cassiopeiae (Caph), depending upon which frequency is used to measure Schedar’s […]

Dwarf Planet Facts: Eris
Solar System

Dwarf Planet Facts: Eris

February 1, 2018 James Miller 0

The dwarf planet designated 136199 Eris is named after the Greek goddess of strife, while its satellite, designated Dysnomia, is named after the goddess of lawlessness, who incidentally was Eris’ daughter. Eris is the most […]

Phobos and Deimos
Solar System

The Moons of Mars: Phobos and Deimos

February 1, 2018 James Miller 0

Phobos is the larger and nearest of Mars’ two natural satellites, the other being Deimos. Both moons were discovered a few days apart in 1877 by American astronomer Asaph Hall from the U.S. Naval Observatory […]