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We have no way of knowing how many, although we do now know that there are other star systems with planets, or notable "accretion discs" (from which planets will form). It is a very difficult area to explore because planets, even very big planets, are a fraction of the size of the stars they surround, and the stars themselves are difficult enough to see. As far as "how many in the universe?" undoubtedly a large amount, but we have absolutely no idea how many that might be.
What else can I help you with?
What order do these go in Galaxy Universe Solar System Planet Star Nebula Largest to smallest?
Universe, galaxy,nebula,solar system, star, planet
Largest to smallest between the universe galaxy planet and star?
The order from largest to smallest is universe, galaxy, star, and planet. The universe encompasses everything, including galaxies like the Milky Way. Within galaxies, there are stars like our sun, and planets like Earth.
What is the Scale for universe molecular cloud galaxy star planet asteroid and atom biggest to smallest?
universe, molecular cloud, galaxy, star, planet, asteroid,atom
In order of size starting with largest star cluster galaxy universe star planet?
Universe, Cluster, Galaxy, Star, Planet NB: Some stars are smaller than planets.
What do scientist tell us about the age of the universe and the age of the planet?
The universe is 13.7 billion years old & Earth is 4.5 billion years old.
How many planet are their in the universe?
we can't count.
How many earth planet are there in this universe?
1, Ours......
Is a planet bigger or a universe?
A universe is bigger than a planet.
Which is the most beautiful planet in the universe?
what is the most beautiful planet in the universe
What is bigger university or planet?
A planet is bigger than a university. You probably meant a universe and a universe is bigger than a planet.
Diameter of the largest planet in the universe?
Nobody knows what is the largest planet in the universe, but Jupiter is the largest planet in the Solar System.
Earth is the what planet in the universe?
Earth is the third planet from out sun, but there is no way of ordering Earth with planets in the entire universe as there are other solar systems. Scientists can only make an educated guess as to how many.
What is the order smallest to largest universe planet galxay solar system?
Planet Solar System Galaxy Universe
What order do these go in Galaxy Universe Solar System Planet Star Nebula Largest to smallest?
Universe, galaxy,nebula,solar system, star, planet
Is there any aliens on the universe?
yes there are many of them on mars and in the future i think they will visit our planet ('Earth')
Which is the biggest galaxy universe planet or solarsystem?
Universe: It contains everything.
Is there another planet in your universe?
of coarse there is
