answersLogoWhite

0

some of the stars we see in the universe took millions of years to get here - we are seeing what it looked like a million years ago.

User Avatar

Wiki User

16y ago

What else can I help you with?

Related Questions

How can we know how some parts of the universe looked a million years ago?

Light takes time to travel, so light reaching us from a million light years away has taken that long to travel to us. We see what it looked like when the light left.


What organisms that lived hundreds of thousands of millions of years ago with bodies divided into three sections?

hundreds of thousands of millions of years ago is too far in the past - the universe is only 13.75 billion years old!However I know what you are asking and the organisms divided into three parts were the "trilobites". They lived about 500 million years ago.


How you know about the life in other parts of the universe?

Nothing whatsoever is know about life in other parts of the universe. It is not even known whether or not life exists anywhere outside the Solar System.


How many billions of light years away can you see with the largest telescope?

Something like 14 billion light years. That's a great distance compared to the length of my kitchen. But we don't know how big it is compared to the size of the whole universe, because we don't know how much farther past that the universe extends.


How do scientists know that the sun is a million years old?

A million? The age is over 4 billion years.


What is the diameter of the Universe today?

The radius of the observable Universe is thought to be about 46x10^9 Light Years.(And dark matter about which we know almost nothing, occupies perhaps 90% of it).Our Milky Way Galaxy is about 100 000 Light Years across, and out nearest neighbour, the Andromeda Galaxy is about 2.5 million light years distant.Answer2: My estimate of the diameter is about 320E24 meters.


Were dinosaurs alive 100 years ago?

No. As far as we know, nothing existed 75 billion years ago. The universe is about 13.7 billion years old and Earth about 4.55 billion. Dinosaurs appeared about 230 million years ago and died out 65.5 million years ago. So dinosaurs were around 75 million years ago, not 75 billion.


According to the big bang hypothesis what happened 20 billion years ago?

The universe did not exist that long ago. The universe as we know it is only 13.7 billion years old.


Is the universe only the earth?

Definitely not! The universe goes on forever, and ever; far past our wee planet earth. It takes YEARS for light to pass across our whole galaxy, there are Many parts of the universe too, explored, and unexplored. We know our earth is in a solar system, which is in a galaxy, which is in a universe! And even more mysterious: BLACK HOLES! There is so much gravitational pull that light can't even escape it. But, the only thing is that we don't know where it leads...


What is the age of the universe as we know it?

13.75 billion years Answer2: The age is around 16 Billion Light years.


Is the sun older than the universe?

No. The sun exists as inside the universe and was created after the big bang. Nothing (that we know of) existed before the universe.


What forces act in the same way in distant parts of the universe as in our solar system?

i dont know someone help