What is the smallest celestial body in the universe?

Answer 1

An atom is pretty small. You can't even see one by looking though an ordinary microscope. An atom is the smallest unit of any basic element such as carbon, iron, oxygen, etc.

However, even atoms are made of even smaller things, such as the circulating electrons in atoms, and the corresponding central nucleus of protons and neutrons.

Protons and neutrons are composed of even smaller particles called quarks, leptons bosons etc which are considered to be the basic constituents of matter. But we also have gluons, which are elementary 'force particles' which enable 'matter particles' to interact! In fact, there are dozens of sub-atomic particles. (See links below)

HOWEVER! It could also be said that there is nothing that is the smallest thing in the world because it is always made up of something!

EVEN SO, with regard to this particular question, we are endeavouring to identify the smallest known thing in the world! It seems neither possible nor appropriate to provide information about things which are unknown.

PERHAPS there ARE particles that are even smaller than those already identified by scientists. It would seem logical to reason that everything is made of something smaller. When we know what these smaller components are, they can be added to the list of smallest (known) things.

ON THE OTHER HAND, maybe there is actually a fundamental 'thing,' that tiniest of specks that is almost nothing! Such an elementary particle, something which cannot be divided or has no sub-structure, MUST be the smallest actual thing in the world, apart from 'nothing,' because nothing is the smallest thing in the world!

Further information

Straight out of the imagination of scientists came the answer to "What is the smallest thing in the world?" They called it the 'God Particle.' While we have nothing to allow us to see it (or any chance of something that will help us see it any time soon) we can doubtless agree, everything must be made of something.

The 'god particle' apparently makes everything, and is made of nothing. Basically it is the science version of god. Many believe that we (humanity) will never see a god particle because enquiring minds have always had, and always will have, the insatiable thirst to know what is bigger, smaller, further away, more indestructible, stronger, etc. than what we already know.

For more information, see 'Related links' below.

Answer 2

A "quark" - Particle that makes up sub-atomic particles.

"An elementary particle and a fundamental constituent of matter. Quarks combine to form composite particles called hadrons, the most stable of which are protons and neutrons, the components of atomic nuclei."

P.S.: The more appropriate QUESTION would be, "What is the smallest KNOWN object in the universe?", as just a few years ago, even the quark wasn't known (ie: the atom was thaught to be the smallest).

P.S.S.: though quarks range in size quite drastically, it's safe to say that they exist around 1 × 10−21 m (1 zeptometre). However, there is now evidence that suggests that quantum foam is made up of high-energy virtual particles that are smaller than 1 Planck unit (1.62 × 10−35 m), a level once described as physically impossible to exist beyond.

Answer 3

Probably electrons, positrons, photons, or neutrinos. But we can't tell, because

we can't measure any of them.

(Not because we can't design experiments or build equipment sensitive enough to

measure them, but because there's a fundamental law of nature whose meaning

turns out to be that they can never be measured.)

Answer 4

Right now,we don't know for sure,but currently it's quantoam foam.Quantoam foam is 0.000000000006 yoctometers smaller than a planck or a string and a yoctomter is a septillionth of a meter or 10^24 of a meter(1,000,000,000,000,000,000,000,000th of a meter)

Answer 5

Pick a proton, any proton. (Smaller subatomic particles aren't generally stable enough over the long term to be called "celestial bodies".) Free protons are emitted in copious quantities with every CME.

Answer 6

Depending on how you define smallest, the smallest thing in the universe could be a quark or a neutrino, which has a mass barely more than zero.

Answer 7

These are the smallest things in the world https://www.henrire.com/2019/10/what-is-smallest-thing-in-world.html

Answer 8

cubic planck length is smaller than planck length and quark because planck length is E-35 and cubic planck length is E-225 i think.

Answer 9

well it is not a quark tho it is universe strings!!!!

Answer 10

The chance fo you getting a crush!!