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A fraction is a part of a whole. So is a decimal. A negative number is not.

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15y ago

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Continue Learning about Astronomy

What part of a microscope has a hole in it to let light through?

The condenser is the part of a microscope that has a hole in it to let light through. It focuses and directs light onto the specimen being viewed, helping to illuminate it for observation.


How long would it take for a black hole to devour a star?

Assuming the star falls directly towards the black hole, it would cross the event horizon close to the speed of light. That means that if the "front" part of the star goes through the black hole, the "back" part will cross it a few seconds later, depending on the star's diameter. You can divide the diameter of the star by the speed of light - except that while approaching the black hole, the star might become elongated; this will make the time it takes a bit longer.


Can the sun form a black hole and take earth to another galaxy If yes how I no why not?

No. The sun does not have enough mass to form a black hole. A black hole does not lead to another galaxy. Anything pulled into a black hole becomes part of that black hole's mass. Even then, if Earth were to fall into a black hole the same mass as the sun it would be torn apart by tidal forces long before it crossed the event horizon.


Dark in color and is the hole in the colored part of the eye?

The dark center of the colored part of the eye is called the pupil. It appears this way because it controls the amount of light that enters the eye by dilating or constricting.


How do you say hole or crater in French?

The word "hole" is translated to "trou" and "crater" is translated to "cratère" in French.