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1 day ago · With an apparent magnitude of 3.4, the Andromeda Galaxy is among the brightest of the Messier objects, and is visible to the naked eye from Earth on moonless nights, even when viewed from areas with moderate light pollution.
- Andromeda
The most famous deep-sky object in Andromeda is the spiral...
- Mythology
In Greek mythology, Andromeda (/ æ n ˈ d r ɒ m ɪ d ə /;...
- List of Galaxies
Size (left) and distance (right) of a few well-known...
- Lenticular Galaxy
The Spindle Galaxy (NGC 5866), a lenticular galaxy in the...
- Samsung Galaxy M31
Main page; Contents; Current events; Random article; About...
- Triangulum Galaxy
The Triangulum Galaxy is a spiral galaxy 2.73 million...
- Hooker Telescope
The Mount Wilson Observatory (MWO) is an astronomical...
- Elliptical Galaxy
The giant elliptical galaxy ESO 325-G004. An elliptical...
- Andromeda
1 day ago · A black hole is a region of spacetime where gravity is so strong that nothing, including light and other electromagnetic waves, is capable of possessing enough energy to escape it. [2] Einstein 's theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.
3 days ago · 4 others. contributed. The equations of motion of kinematics describe the most fundamental concepts of motion of an object. These equations govern the motion of an object in 1D, 2D and 3D. They can easily be used to calculate expressions such as the position, velocity, or acceleration of an object at various times.
1 day ago · Dynamical evidence for a massive dark object was found at the core of the active elliptical galaxy Messier 87 in 1978, initially estimated at 5 × 10 9 M ☉. Discovery of similar behavior in other galaxies soon followed, including the Andromeda Galaxy in 1984 and the Sombrero Galaxy in 1988.
4 days ago · Basically, Messier's original catalogue is still relevant and useful today, with some additions. During the years of 1744 to 1804, his assistant, Pierre Mchain, added six more objects (still during Messier's lifetime). The final object, M110 was added in mid-20 th Century, based on Messier's observing notes. A few purists refuse to accept any ...
I've found that Google Sky is better with nearby objects to your coordinate search, but it only has info on big and well researched objects. That's where SkyAtlas https://skyatlas.app/ comes in, at least both this and Google Sky have the Messier objects listed, so it's possible to narrow things down a bit and find something relatively close ...
4 days ago · On request, I now created spreadsheets with which one can easily filter object databases to reveal which objects are visible. The criteria used are simple: date, time and location on one hand, and field of view limited for azimuth and altitude on the other hand. The following spreadsheets are available: - Best Deep sky (500 objects);
