If a black hole has a size of a pen point, will it destroy the Earth?
Depending on where it is. Now what's a black hole? Stars do this thing called dying when the fusion process is no longer supported the way it was for previous billions of years and it results into supernova. Now, I won't go into detail for supernova, it's a sort of explosion which you can Google about. So what happens AFTER supernova matters. Small stars like sun? Um no problem but there's this thing that supergiant stars do. They shrink under tremendous pressure and have insanely concentrated mass and eventually black hole happens which, in layman language sucks the matter and even light into it. You call something that absorbs all wavelengths of visible light black. And so does black hole, that's why it's called black(not because Salvador Dali went there and painted it black).Coming to your question, a pen point sized black hole would contain the mass roughly around that almost a large piece of earth or maybe the whole earth for tentative example. So yes it would still have that power to destroy the earth and more parts of solar system easily and will go for more because now a black hole is a person that is never out of hunger. It takes in something, expands a little, goes for more. We even have a black hole at the centre of our milky way galaxy and it is really really big. The solar system is eventually gonna end up there many hundred billions of years later. And it is the only bulging part of the galaxy. Point being yes it will end up eating your planet but slowly. But there's no need to fear such pointlike black hole because you don't have any stars around you which are ghonna end up as black holes.
Small, black, furry bugs?
I've been finding these small, fuzzy black bugs around there house recently. They're shaped like a tiny, tiny, circle and they move really slowly. I've looked it up online, and the closest thing I could find are "wooly-bears" or carport beetle larvae. I looked up pictures, but they don't look too much alike. In the pictures I've seen, they are shaped like caterpillars and have a red stripe, but mine are small, circular, and all black. And we live in a house with tiled floor, with a few rugs around the place, which get vacuumed EVERY night, nonstop. I have a feeling that those bugs are eating my clothes, too. I clean out my clothes drawers every month and refold everything and the last time I did it, I found a really small one. And that was the first time I'd seen them. But just today we did a major clear out of the whole bedroom and we found about five more along the way. What are they?
Best Joke Challenge...will you get 10 points?
So here's the deal...you have to use the sentence I provide below in a joke that you make up. The person who has the most creative/funny joke will get the 10 points for best answer...! The sentence is: "A lion, a witch and a wardrobe walk into a bar." Make me laugh!
How can white dwarfs (dead stars) make black holes?
White dwarfs don't become black holes. Where a star ends up at the end of its life depends on the mass it was born with. Stars that have a lot of mass may end their lives as black holes or neutron stars. A low and medium mass star (with mass less than about 8 times the mass of our Sun) will become a white dwarf. A typical white dwarf is about as massive as the Sun, yet only slightly bigger than the Earth. This makes white dwarfs one of the densest forms of matter, surpassed only by neutron stars. Black holes are thought to form from stars or other massive objects if and when they collapse from their own gravity to form an object whose density is infinite: in other words, a singularity. During most of a star's lifetime, nuclear fusion in the core generates electromagnetic radiation, including photons, the particles of light. This radiation exerts an outward pressure that exactly balances the inward pull of gravity caused by the star's mass. As the nuclear fuel is exhausted, the outward forces of radiation diminish, allowing the gravitation to compress the star inward. The contraction of the core causes its temperature to rise and allows remaining nuclear material to be used as fuel. The star is saved from further collapse -- but only for a while. Eventually, all possible nuclear fuel is used up and the core collapses. How far it collapses, into what kind of object, and at what rate, is determined by the star's final mass and the remaining outward pressure that the burnt-up nuclear residue (largely iron) can muster. If the star is sufficiently massive or compressible, it may collapse to a black hole. If it is less massive or made of stiffer material, its fate is different: it may become a white dwarf or a neutron star.