Cúmulos// Clusters

Star    clusters    contribute    to    understanding    stellar evolution   when   stars   formed   at   the   same   time   from the material of a molecular cloud evolution.
The Sky @ 0.65 Copyright by  Lluís Romero Ventura

Galaxias // Galaxies

A   galaxy   is   a   gravitationally   bound   system   of   stars, stellar    remnants,    interstellar    gas,    dust,    and    dark matter.

Nebulosas // Nebulaes

Nebula    (Latin    for    "cloud"    pl.    nebulae,    nebulæ,    or nebulas)   is   an   interstellar   cloud   of   dust,   hydrogen, helium and other ionized gases.
designed  by Lluís Romero Ventura
 The Earth     astrosirius@astrosirius.org 
astrophotographysirius.com
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