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That depends what you choose to include. The Oort cloud is estimated to be about a light-year from thet Sun - so the diameter ("across") would be about two light-years.
What else can I help you with?
How far is your solar system from the centre of the universe?
Our Solar System is extremely far from the center of the universe. Really, we don't even know what the center of the universe is, and we are not a part of it since our galaxy is traveling across the universe.
How far away the Solar System?
We are in the Solar system.
How far is the moon from the solar system?
The moon is in the Solar System.
Are stars far away or close to the solar system?
stars are pretty far away from the solar system
How far is your solar system from the sun?
Our solar system includes our sun in it.
Is the solar system or milky way or universe smaller?
The solar system is by far the smallest.
How far is our solar system from the Milky Way?
It is not any distance from it. Our solar system is in the Milky Way.
When the sun is the only what in are solar system?
As far as we know, the Sun is the only star in our Solar System.
How gar is the sun from Pluto?
The sun is in front of the solar system and Pluto is at the far end of the Solar system.
What is the 2nd galaxy in the solar system?
There are no galaxies in our, or any other, solar system. They are far too large.
How far away is Earth in your solar system?
The sun is THIRD CLOSEST IN OUR SOLAR SYSTEM GET SOME FACTS gosh.
Why can't we explore the stars with spacecraft the way we explore our solar system?
because they are far away from our solar system
