BlogHide resteemsastromaniac (55)in steemstem • 1 hour agoCopernican AstronomyWhen Ptolemy died in the second half of the second century, the fate of astronomy fell into a deep sleep for over a…astromaniac (55)in steemstem • 2 days agoAstronomical observations #19 : Owl Nebula (M97)Welcome to the next part of my cycle dedicated to amateur astronomical observations. Today, another object of deep…astromaniac (55)in steemstem • 5 days agoAstronomical equipment #5 : Equatorial mountI will describe to you this time the second, more complicated type of mount, i.e. the tripod on which every instrument…astromaniac (55)in steemstem • 7 days agoAstronomy of ancient GreeksWe owe the Greeks the creation of mathematical astronomy. Great Greek thinkers rejected mythological beliefs, and the…astromaniac (55)in steemstem • 10 days agoAstronomical observations #18 : Lagoon Nebula (M8)Welcome to the next part of my cycle dedicated to amateur observations of the night sky. Today, another object of deep…astromaniac (55)in steemstem • 12 days agoAstronomical equipment #4 : Altazimuth mountI will describe to you this time the simplest type of mount. This is a tripod on which each telescope is fixed. There…astromaniac (55)in steemstem • 13 days agoI am sorry, my mistake.Deleted.astromaniac (55)in steemstem • 17 days agoAstronomical observations #17 : Omega Nebula (M17)Welcome to the next part of my cycle dedicated to amateur astronomical observations. This time, I will present you…astromaniac (55)in steemstem • 19 days agoBeginning of astronomyThe first astronomers are still from the ice age. Already 30,000 years ago, our ancestors began to look at the sky.…astromaniac (55)in steemstem • 21 days agoPlanetary moons #14 : OberonOberon is the outermost and one of the 27 moons of Uranus. William Herschel discovered it in 1787 and is the second…astromaniac (55)in steemstem • last monthAstronomical equipment #3 : Catadioptric telescopesTelescopes in a mixed system, as for their long focal length, are small in size. Their closed construction guarantees…astromaniac (55)in steemstem • last monthAstronomical observations #16 : Eagle Nebula (M16)Welcome to the next part of my cycle dedicated to amateur astronomical observations. This time another object of deep…astromaniac (55)in steemstem • last monthPlanetary moons #13 : TitaniaLike other gaseous giants of the Solar System, Uranus has an extensive system of moons. In fact, astronomers have now…astromaniac (55)in steemstem • last monthAstronomical equipment #2 : Refracting telescopeGalileo's telescope began the history of the telescope in 1609. In contrast to the Newton telescope, it gives a simple…astromaniac (55)in steemstem • last monthAstronomical observations #15 : Ring Nebula (M57)I will present to you this time another deep sky object, which is worth seeing. M57, or the Ring Nebula, is one of the…astromaniac (55)in steemstem • last monthPlanetary moons #12 : MimasThis is the smallest of the objects we know in the Solar System, which has a round shape. Saturn's seventh-largest…astromaniac (55)in steemstem • 2 months agoAstronomical equipment #1 : Newtonian telescopeWelcome to my new series with technical curiosities in the field of astronomical equipment and optics. I will start…astromaniac (55)in steemstem • 2 months agoAstronomical observations #14 : Dumbbell Nebula (M27)Hello everybody in the next episode of my series about observing the night sky! I will present to you this time…astromaniac (55)in steemstem • 2 months agoPlanetary moons #11 : EnceladusThis is the sixth largest Saturn satellite and one of the most geologically active moons of the entire Solar System.…astromaniac (55)in steemstem • 2 months agoLSST - a new telescope to defend the Earth!On the morning of February 15, 2013, an unusually bright object appeared in the sky, which exploded about 30…
