0
No one knows for sure.
If we take our current solar system and extrapolate it to the number of stars and galaxies in the Universe then we have about 400,000,000,000,000,000,000,000 possible planets.
The number of "known" planets is increasing daily but it will be millions, possibly billions of years till we have a better estimate.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
Is Pluto the youngest planet in the solar system?
No there are planets far out and near us that are younger
Which stars near the moon are planets?
There are seven of them in our solar system. They all travel in a plane close to the plane the Moon travels in. Different times of the year, has different planets "near the Moon".
Does Kepler orbit the sun?
The Kepler mission is specifically designed to survey a portion of our region of the Milky Way galaxy to discover dozens of Earth-size planets in or near the habitable zone and determine how many of the billions of stars in our galaxy have such planets. Results from the mission will allow us to place our solar system within the continuum of planetary systems in the Galaxy.
How many planets are ther?
There are 8 planets.
How many types of planets are in space?
There are 7 main classification of Planets. They are classified into the following groups; * Inferior Planets * Superior Planets * Inner Planets * Outer Planets * Terrestial Planets, * Jovian Planets * Gas Giants
How many planets are near the solar system?
There are 9 Planets near are Solar System.
Why do planets seem brighter than stars?
Some planets seem brighter - not all of them. Planets are quite near to us, as compared to the stars.
Is Pluto the youngest planet in the solar system?
No there are planets far out and near us that are younger
How many planets are near stars?
Virtually all of the known planets are near a star. Occasionally, a rougue free floating one will be sighted, but they are rare anomalies.
How many solar planets are there in the US?
I guess you mean how many planets can be seen from the US. In general, only five of the 8 planets in our solar system are sufficiently bright to be visible to the naked eye. These planets are: Mercury , Venus, Mars, Jupiter and Saturn. These planets can also be seen from the US.
How are planets near the sun different from the planets father away?
Because planets near the sun are more hotter
How come none of the planets near us hasn't been super nova before to create black hole?
Only stars go supernova - not planets
Which planets are near Eris?
SendraUB313Pluto
What is A nickname for four planets near the sun?
Mercury venus earth mars The inner solar system?
What 2 planets are near Jupiter?
Mars and Saturn
How many moons does the milky galaxy have?
We only know about the number of moons for our own solar system. Technology now lets us see very large planets around other nearby stars. We have found a few near Earth size. However currently we can not detect moons around planets in other solar systems.
Which stars near the moon are planets?
There are seven of them in our solar system. They all travel in a plane close to the plane the Moon travels in. Different times of the year, has different planets "near the Moon".
