quasar
Quasar
A region in the complex number plane such that the line segment joining any of its points to the origin lies entirely in the region.
star like a sun big but not really starlike and xray gives off radio waves ......
No one knows that because we have not explored outside the universe. If you are thinking about the galaxy, it looks like a straight line from Earth and a circular object from outside the galaxy.
Yes. The Andromeda Galaxy is the nearest spiral galaxy to our own and is the most distance object visible to the naked eye.
Venus is the brightest object in the night sky other than the moon and the brightest object that appears as a starlike point. As a result it is often the first starlike object seen in the evening or the last one seen in the morning depending on where it is relative to Earth at the time.
the milky way is that largest object in the galaxy
The Surface Area
It is believed by the scientists that there is a super massive black hole at the center of the galaxy which is created due to collision of many black holes and it is million times larger than our sun. It is very bright because of the large light attracted towards it. We can say that the mysterious bright object is a black hole which seems to be bright but all the lights is from another source.
Hoag's Object is a non-typical galaxy of the type known as a ring galaxy.
Comet Galaxy, Whirlpool Galaxy, Mayall's Object and Black Eye Galaxy.
The term is "perimeter", and it is the sum of the lengths of the sides. Note that if the object in question is a circle, the perimeter is called the "circumference."