How many years are 93 billion light years?
Table of Contents
- 1 How many years are 93 billion light years?
- 2 How long would it take to travel across the observable universe?
- 3 How do we know the observable universe is 93 billion light years?
- 4 How long is a light-year?
- 5 How do we measure the observable universe?
- 6 Can you reach the edge of universe?
- 7 What is the age of the universe?
- 8 How long does space last?
How many years are 93 billion light years?
The radius of the observable universe is therefore estimated to be about 46.5 billion light-years and its diameter about 28.5 gigaparsecs (93 billion light-years, or 8.8×1026 metres or 2.89×1027 feet), which equals 880 yottametres.
How long would it take to travel across the observable universe?
It’s Space Day, but traveling the vast entity that is space would take far longer than a single day. The nearest galaxy: 749,000,000 (that’s 749 million) years. The end of the known universe: 225,000,000,000,000 years (that’s 225 trillion) years.
How do we know the observable universe is 93 billion light years?
That’s because over time, space has been expanding, so the distant objects that gave off that light 13.8 billion years ago have since moved even farther away from us. Multiply times 2, and you get 93 billion light years, the diameter of the observable universe.
How long does it take for light to reach the end of the universe?
Other Galaxies
Object | Time for the Light to Reach Us |
---|---|
The Sun | 8 minutes |
Jupiter | 35 to 52 minutes |
Pluto | 5 1/2 hours (on average) |
Alpha Centauri (nearest star system) | 4.3 years |
How many miles is the observable universe?
The observable universe is approximately 5.4×1023 miles in diameter.
How long is a light-year?
365.25 days
A light year, abbreviated ly, is the distance light travels in one year: roughly 9.46 × 1012 kilometres (9.46 petametres, or about 5.88 × 1012 (nearly six trillion) miles). The year used by the International Astronomical Union is 365.25 days.
How do we measure the observable universe?
Even bigger? Scientists measure the size of the universe in a myriad of different ways. They can measure the waves from the early universe, known as baryonic acoustic oscillations, that fill the cosmic microwave background. They can also use standard candles, such as type 1A supernovae, to measure distances.
Can you reach the edge of universe?
Unfortunately, since universe is technically expanding faster than the speed of light (due to the expansion of space between matter), it is theoretically impossible to ever reach the “edge” of the universe, since it will always be moving away faster than we could ever move towards it!
How many light years across is the universe?
Originally Answered: How can it be understood that the universe is 93 billion light years across and yet only 13.8 billion years old?
What is the size of the observable universe?
The comoving distance from Earth to the edge of the observable universe is about 14.26 gigaparsecs (46.5 billion light years or 4.40×10^26meters) in any direction. The observable universe is thus a sphere with a diameter of about 28.5 gigaparsecs.
What is the age of the universe?
The age of the universe is estimated to be 13.8 billion years. While it is commonly understood that nothing can accelerate to velocities equal to or greater than that of light, it is a common misconception that the radius of the observable universe must therefore amount to only 13.8 billion light-years.
How long does space last?
Space doesn’t end because it is constantly expanding, faster than the speed of light itself. From our point of view, space end at approximately 93 billion light-years away from us, but that isn’t the end of the Universe. It is only how far we can see. Will the Universe Last Forever?