Stars in the Sky Tonight
The stars in tonight’s sky form many familiar patterns that make their host constellations easy to identify. For observers in the northern hemisphere, the stars… Read More »Stars in the Sky Tonight
TRAPPIST-1
TRAPPIST-1 is a cool red dwarf located 40.66 light-years away in the constellation Aquarius. The star hosts seven known extrasolar planets, discovered in 2016 and… Read More »TRAPPIST-1
Achird (Eta Cassiopeiae)
Achird, Eta Cassiopeiae (η Cas), is a binary star located 19.32 light-years away in the northern constellation Cassiopeia. It is the nearest star in Cassiopeia… Read More »Achird (Eta Cassiopeiae)
Barnard’s Star
Barnard’s Star is a red dwarf located only 5.9629 light-years away in the constellation Ophiuchus. It is the fourth closest individual star to Earth, after… Read More »Barnard’s Star
Polaris
Polaris, Alpha Ursae Minoris (α UMi), is a yellow supergiant located approximately 446 light-years away in the constellation Ursa Minor. It is the current North… Read More »Polaris
IK Pegasi
IK Pegasi is a binary system located approximately 154 light-years away in the northern constellation Pegasus. With an apparent magnitude of 6.08, it is faintly… Read More »IK Pegasi
Betelgeuse
Betelgeuse, Alpha Orionis (α Ori), is a red supergiant star located in the constellation Orion, the Hunter. It has an estimated radius about 764 times… Read More »Betelgeuse