Our galaxy

1992/01/01 Elhuyar Zientzia Iturria: Elhuyar aldizkaria

• Astronomia

A Japanese astronomer publishes new data on the shape of our galaxy. It is said that our galaxy is a divided spiral and that matter goes out of the center. This matter also has the aspect of a cigar.

Naomasa Nakai, from Nobeyama's radiographic observatory, has compared the distribution of carbon oxide (II) in our galaxy with the use of a 45-m copy, with the carbon oxide distribution (II) of the distributed spiral galaxies Maltei II, NGC2903 and NGC253.

Nakai discovers that the division into four galaxies is the same. The four have the highest densities in the center and at a certain distance from the center, with two spikes of density. Simple galaxies have a single density peak.