Table of Contents
- 1 What is the most view of the universe?
- 2 What does the observable universe look like?
- 3 How big is the universe compared to the observable universe?
- 4 How big is the universe outside the observable universe?
- 5 What telescope does NASA use to map the universe?
- 6 What is the shape of the observable universe?
What is the most view of the universe?
The Hubble Space Telescope has captured the farthest-ever view into the universe, a photo that reveals thousands of galaxies billions of light-years away. The picture, called eXtreme Deep Field, or XDF, combines 10 years of Hubble telescope views of one patch of sky.
What does the observable universe look like?
That is, the observable universe is a spherical region centered on the observer. 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.
Is there a picture of the whole universe?
Scientists have created a new family photo of the universe. The new image, released May 2, is known as the “Hubble Legacy Field.” The image represents the most comprehensive view of the universe to date, stitching together more than 7,500 Hubble Space Telescope observations taken over 16 years.
What is the largest known structure in the observable universe?
The largest known structure in the Universe is called the ‘Hercules-Corona Borealis Great Wall’, discovered in November 2013. This object is a galactic filament, a vast group of galaxies bound together by gravity, about 10 billion light-years away.
How big is the universe compared to the observable universe?
They found that the universe is at least 250 times larger than the observable universe, or at least 7 trillion light-years across.
How big is the universe outside the observable universe?
23 trillion light years
This means the unobservable Universe, assuming there’s no topological weirdness, must be at least 23 trillion light years in diameter, and contain a volume of space that’s over 15 million times as large as the volume we can observe.
Does space go forever?
Scientists now consider it unlikely the universe has an end – a region where the galaxies stop or where there would be a barrier of some kind marking the end of space.
What can we see in the universe?
Everything you can see, and everything you could possibly see, right now, assuming your eyes could detect all types of radiations around you — is the observable universe. In visible light, the farthest we can see comes from the cosmic microwave background, a time 13.8 billion years ago when the universe was opaque like thick fog.
What telescope does NASA use to map the universe?
Over the past 15 years it has been using a 2.5-metre, wide-angle optical telescope at Apache Point Observatory in New Mexico to create the most detailed three-dimensional maps of the Universe ever made, including spectra for more than 3 million astronomical objects.
What is the shape of the observable universe?
The Observable Universe is a spherical volume (a ball) centered on the observer, regardless of the shape of the universe as a whole. Every place in the universe has its own observable universe, which may or may not overlap with the one centered on Earth. There are at least 2 trillion galaxies in the observable universe.
How long will we be able to observe the universe?
For instance, objects with the current redshift z from 5 to 10 will remain observable for no more than 4–6 billion years. In addition, light emitted by objects currently situated beyond a certain comoving distance (currently about 19 billion parsecs) will never reach Earth.