Hello friends of steemit, the intention of this post is not to give a physics class, what I want is to give a small explanation Doppler effect, with the sole intention that all those people

Venus Express in orbit. Image source: [1]   Venus Express has been one of ESA's most successful missions. It was released on November 9, 2005 and began to send images of the planet.

Triangulum Galaxy Messier 33. Image source: [1]   In the small northern constellation of the Triangulum is Messier 33, a splendid spiral galaxy. It is also known as the triangle galaxy,

A colour photo of the R Coronae Australis region in the southern Milky Way. Image source: [1]   R Coronae Australis is a known variable star belonging to the spectral type A5 Liev,

The Andromeda Galaxy. Image source: [1]   The galaxy of Andromeda is also known as MESSIER 31, since it is the Messier catalog number object 31 of fuzzy objects in the sky. It is

NGC 3628. Image credit: ESO   NGC 3628 show a galactic disk bulging and divided by dark bands of dust. Of course, this deep-fielded portrait of the magnificent spiral galaxy evokes in the

The galaxy Wolf–Lundmark–Melotte (WLM), imaged by VLT. Image source: [1]   The Wolf-Lundmark-Melotte (WLM) galaxy is an irregular galaxy in the constellation Cetus, about 3 million

The supernova remnant nebula from Simeis 147 or the Spaghetti Nebula. Image source: [1]   It is easy to get lost following the intricate filaments of this detailed image of the tenuous

Picture of M27 captured in narrowband by Chuck Ayoub. Image source: [1]   The Dumbbell Nebula, also known as Messier 27, is a planetary nebula located in the constellation Vulpecula,

Artistic image of the Juno space probe in orbit Jupiter. Image source: [1]   Hello friends of Steemit, this time I want to share these videos of the spacecraft Juno that made the overflight to

Trifid Nebula by the Hubble Space Telescope. Image credit: NASA/ESA   Although, surely, it is not the most spectacular nebula of all we know, if you have ever seen images of space you have

Pollux and Castor. Image source: [1]   Who are Gemini's twins? As for the astronomical objects, the famous constellation is dominated by two bright stars: Pollux (on the left) and Castor (on

Messier 19 with amateur telescope. Image source: [1]   After talking about the spectacular Omega Nebula (Messier 17), we have to focus on Messier 19.    In the 18th

Composite images obtained with the 3.58-metre NTT at La Silla Observatory. Image credit: ESO   In general, the vast majority of nebulae are known to be spectacular. However, in this case,

Image credit:  Nicholas Roemmelt (Denmark)   A star observer looks at the constellation of the Great Bear perfectly aligned with the window of the entrance to a large cave of glaciers in

Three-colour composite mosaic image of the Eagle Nebula. Image source: (1)   The Eagle's emission nebula, identified as Messier 16, is about 6,500 light-years away, covering about 20 light

Messier 14   Messier 14 with amateur telescope. Image source: [1]   This globular cluster, has an apparent magnitude of 9.5 and is 27,000 light years away in the constellation Ofiuco.

The heart of Hercules Globular Cluster. Image credit:  ESA/Hubble and NASA   The next object in the Messier catalog is another globular cluster. In this case it is in all likelihood

A Hubble Space Telescope (HST) image of NGC 6826. Image credit: HST/NASA/ESA.     NGC 6826 is a planetary nebula that we can find in the constellation of Cygnus. It is called "the