Does spiral bound mean no spiral?
What is the opposite of spiral-bound? The adjective spiral-bound typically refers to a book which is bound with a spiral wire. There are no categorical antonyms for spiral bound. However, one could loosely use other types of binding as antonyms, e.g., tape bound, sewn bound, exetera so yah
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How big is a globular cluster?
A globular cluster is a group of thousands of stars.
As the density decreases from the centre, all clusters are measured until the luminosity has decreased by one half - a half radii.
So, most globular clusters have a half light radius of around 32 light years.
Is the Milky Way visible from Italy?
Under optimal conditions (absence of clouds, and the phase of the moon being new moon) yes, the milky way is the galaxy that this planet resides in.
How many constellations represent people?
how many constellations represent men and/or women how many represent birds how many represent dragons
What is a local leader of an armed group?
A local leader of an armed group might be termed a leader of a militia. Many countries have insurgents that try to take over the government by the use of armed force. Guerilla is also a term used to identify this type of army.
The Galactic Bulge.
The BX442 galaxy (full name HB89 2343+125 BX442; also one of the galaxies in the HB89 2343+125 field) is a spiral galaxy 10,700 million (nearly 11,000 million) light-years (redshift of 2.2) from Earth in the Pegasus constellation, and is 30,000 light-years in diameter (3 times smaller than the Milky Way), and contains 60 billion stars (60 percent of the Milky Way's stars). In the next 100 million years, it will be back to its primitive shape. It emitted its light 10,700 million (almost 11,000 million) years ago when the universe was 3000 million years old.
It means the heading towards us, red means it is moving away from us.
All the stars you can see in the night sky are part of our galaxy, the Milky Way.
True or false the Milky Way is the only galaxy in the universe?
Our Sun and the planet Earth (Along with all the other planets and other stellar stuff) comprise the Solar System. Our Solar System is part of the Milky Way Galaxy.
See related question for our position in the Galaxy
What is the largest star you have discovered so far in the galexy?
Personally, I didn't discover any.
What evidence do we have to prove that galaxies rotate?
Doppler red shifts and blue shifts of light from the stars in the galaxies.
Why did the invention of a reflecting telescope help people to see more than a lens telescope?
There are a number of advantages with a reflecting telescope but the most favourable is the fact that it uses a curved mirror which 'reflects' the image as opposed to a refractor which 'refracts' the image. In short, 'white light' is made up from all of the colours of the rainbow. When using a reflecting telescope, the mirror deflects the entire light make-up in one go so that a sharp focal point can be defined. With a refracting telescope, each individual light colour refracts at a different angle meaning that if you place the focusing lens in position for say violet, it will be out of focus for the other six colours.
Can entire galaxies explode because of active galactic nucleus - AGN - or other reason?
Recently a long gamma-ray burst from quasar ULAS J1120+0641, with a red shift z≅7, could indicate the possibility of protogalaxies explosions (w/ z>11) could had occured just after the Dark Age of the Universe.
Comments would be much appreciated!
What is the concept of the big bang?
Big Bang is a model of the universe which specially deals with the question that how the universe might have started.It mainly suggests that 13.798 billion years ago,all the matter in the universe was concentrated into a point of zero size,with infinite density,mass and spacetime curvature.The point suddenly exploded,releasing unimaginable amount of energy. The energy then might have transformed into mass, as particles could be created out of energy.During big bang,universe was infinitely hot.As the universe expanded, its temperature would have decreased to few million centigrades.At this temperature, the molecules lost their capability to overcome nuclear force,and would have started to form atoms and molecules.This process finally gave birth to several trillion molecules,which have been transferred evenly throughout the space available. By this process,the universe is thought to be originated.
Do you think we are alone in the universe?
This question is hard to answer. People have said there have been some lifeforms on Mars, but we are not sure. There could be possibly another species of life on other planets or galaxies.
What is a large group of gas dust and millions of stars?
That can be a large globular cluster, or a galaxy. Or any larger structure that includes galaxies.