Guide to Space
Messier 104
Object Name: Messier 104 Alternative Designations: M104, NGC 4594, The Sombrero Galaxy Object Type: Type Sa Spiral Galaxy Constellation: Virgo…
Messier 103
Object Name: Messier 103 Alternative Designations: M103, NGC 581 Object Type: Type D Open Cluster Constellation: Cassiopeia Right Ascension: 01…
Messier 102
Object Name: Messier 102 Alternative Designations: M102, NGC 5866, The Spindle Galaxy Object Type: Lenticular Galaxy Constellation: Draco Right Ascension:…
Messier 101
Object Name: Messier 101 Alternative Designations: M101, NGC 5457, Pinwheel Galaxy Object Type: Type Sc Spiral Galaxy Constellation: Ursa Major…
Messier 100
Object Name: Messier 100 Alternative Designations: M100, NGC 4321 Object Type: Type Sc Spiral Galaxy Constellation: Coma Berenices Right Ascension:…
Astronauts
Astronauts, which are also known as cosmonauts, are trained to serve in space on spacecraft. The term is also often…
Distance to the Center of the Earth
[/caption] The average distance to the centre of the Earth is 6,371 km or 3,959 miles. In other words, if…
Distance to Alpha Centauri
Alpha Centauri is the closest known star system to the Solar System. Also known as Rigil Kentaurus, Alpha Centauri is…
How Was Venus Discovered?
[/caption] Venus is one of the planets visible with the unaided eye. In fact, Venus is the brightest object in…
Moon Rotation
The rotation of the Moon is a strange situation. It takes the same amount of time for the Moon to…