differences between galaxies and nebulas

M108 galaxy, and M97 the 'Owl Nebula'

Galaxies are large collections of stars, gas, dust, and dark matter that are held together by gravity. They can contain anywhere from a few million to trillions of stars. Nebulas, on the other hand, are clouds of gas and dust in space. They can be found within galaxies and are… Continua a leggere

Where was born Mr. Spock?

Half Human, Half Vulcan: Spock from Star Trek, the Original TV series

40 Eridani A, also known as HD 26965, is a main-sequence star located approximately 16.5 light-years away in the constellation Eridanus. The star is of particular interest to Star Trek fans because it is the fictional home star of the character Mr. Spock, from the Star Trek franchise. In the… Continua a leggere

the missing planet in our solar system

MISC Freelancer breaking away from Yela asteroid belt. Crusader in background

Between the orbits of Mars and Jupiter lies the asteroid belt, a region of our solar system that is home to thousands of small, rocky bodies known as asteroids. These asteroids are believed to be remnants of the early solar system and provide valuable insights into its formation and evolution…. Continua a leggere

Occultazioni planetarie per principianti

Saturn Occultation

Le occultazioni planetarie, anche conosciute come transiti planetari, avvengono quando un pianeta passa davanti a una stella come visto dalla Terra. Questo evento può essere osservato attraverso telescopi e può fornire informazioni preziose sul pianeta e sulla stella che sta attraversando. Uno dei più importanti utilizzi delle occultazioni planetarie è… Continua a leggere

Lagrange Points for dummies

File:Positions points Lagrange plan ecliptique.png

In physics, the Lagrange points are positions in space where the gravitational forces of two large bodies balance the centripetal force experienced by a smaller object. There are five Lagrange points, labeled L1 to L5, and they are located in specific locations relative to two large bodies, such as the… Continua a leggere

Beautiful Star: Albireo

Albireo, also known as Beta Cygni, is a binary star system located in the constellation Cygnus. It is approximately 380 light-years away from Earth and is one of the most spectacular double stars in the night sky. Albireo is composed of two stars: a primary, yellow-orange star, and a secondary,… Continua a leggere

the Cocoon Nebula

Cocoon Nebula, also known as IC 5146, is a large and active star-forming region located in the constellation Cygnus. It is approximately 3,000 light-years away from Earth and is one of the most studied regions of star formation. The Cocoon Nebula is a bright and colorful cloud of gas and… Continua a leggere

Beautiful Stars: Arcturus

Arcturus, also known as Alpha Bootis, is a red giant star located approximately 37 light-years away from Earth in the constellation Bootes. It is the fourth brightest star in the night sky and is visible to the naked eye. Arcturus is classified as a K1.5 IIIpe class star, which means… Continua a leggere

The Ring Nebula

The M57, also known as the Ring Nebula, is a planetary nebula located in the constellation Lyra. It is one of the most well-known and studied planetary nebulae, and has been the subject of numerous observations and research studies. The M57 is a relatively small nebula, with a diameter of… Continua a leggere