回答下列问题,如果有把握用英文回答不出错就用英文,没把握用中文也行.How many stars are there in the universe?(不需要准确数字)Where do they come from and where do they go to?What is the most common chemical element in the universe?How are all the other chem
There is no doing left for me here. Not when it comes to healing my spirit. And the being is the excruciating part. The part where the emotions must be felt. The part where the feelings must be allowed to exist. The part where true compassion is discovered. The part where I simplyexi...
However, dark matter is harder to study than even that because it does not come conveniently clumped into super-dense balls like stars and black holes. (That would be far too easy.) Instead, the primary theory of dark matter says that it is made of hypothetical particles called Weakly Inter...
The second element is the notion that we are the cause of what happens, especially the bad things that happen. It seems to be a short step from believing that every event has a cause to believing that every disaster is our fault. The roots of this feeling may lie in our childhood. Psy...
To clarify this and other variables and mechanisms intervening in this process, it is of great relevance to study the polymer-potentially toxic element interactions in controlled laboratory conditions, upon determination of leachable metal(oid)s in plastics with environmental past. 4. Studies focused ...
Having multiple populations of stars in a single globular cluster or any set of globular clusters makes them more interesting and diverse objects to study, since each is a little like a tinygalaxywithin our own (or within a nearby galaxy). There is evidence for things like black holes in th...
“them” is something to be admired and mimicked), the basic tenants of colonialism remain intact. It is the Far East equivalent of the Noble Savage, teaching all of us Just-too-Worldly-for-Our-Own-Good Westerners all about whatreallymatters in life. It cherry picks a single element of ...
Usually, when elements are fused into heavier elements, energy is released, and this energy is what keeps the star from falling in on itself. Iron, however, is a special element in that it needs to take in energy to be fused into something else. Once the star starts making iron, the ...
“A deficiency disease based on some mysterious element of animal protein missing in corn? Hardly. There has to be a pathogen at work, though it remains to be discovered.” Perhaps the microorganism was carried by insects, as with yellow fever and malaria. The Italian-born British physician ...
This was almost certainly the whiskey talking, but there’s an element of truth to my dumb declaration. Twin Sister are a true pop band’s pop band. There may not be any overt innovations in their music, but it’s so well conceived, so well crafted and, most importantly, so well ...