What you need to know about the new Newtonian reflectors
The New Newtonian Reflectors are a new breed of telescopes designed to help astronomers see faint stars far away.
The telescopes, which cost up to £20,000 each, have the ability to see faint, distant objects in the Andromeda galaxy and beyond, according to their creators.
Newtonian telescopes have been used to find new planets, galaxies and other cosmic objects.
But they have been criticised for causing interference to the natural images captured by telescopes.
And they can have a very long lifetime, so the team behind the telescopes have tried to improve their performance over time.
What you need now:Newtonians are a bit like miniature telescope mirrors, with a lens that concentrates light onto a spherical surface, which can be rotated to magnify objects or focus on them.
It works by shining a small amount of light through the lens and the mirror, where the light reflects back at a particular wavelength.
This is what happens at a small aperture, so an object can be seen with a telescope with an aperture smaller than the wavelength of the light.
And if the image is too small, the telescope will have difficulty focusing the light accurately.
Newtons are capable of seeing more than 300 light years away, but the team says that the maximum amount of image detail can be achieved at a relatively small aperture.
The optics are so efficient that a telescope can be designed to focus on a faint object and then see the faint object in a very short time.
“This is something you see with small telescopes that are designed for a very narrow aperture,” Professor John Parnell of the University of Oxford told BBC News.
“The Newtonian mirrors can do this.”
How are Newtonians built?
The team behind Newtonian telescopes say the telescope is constructed of aluminium foil.
This foil can be melted to create the lens, which has a metal surface.
The lens is made of copper, with copper inside a metal frame, and it is then made of a plastic called Plexiglas, which is coated with a silicon dioxide polymer.
The lens is mounted on a telescope base.
Professor Parnett says the telescopes are extremely light-weight, and the team have tried not to make them heavy enough to cause interference with other telescopes.
“We want the light to be a bit brighter than the rest of the telescope, so we want it to be as bright as possible,” he said.
“But the light is not as bright at the front of the lens as the rest.
It’s a little bit of a tradeoff.”
What can you see?
Image copyright Reuters/Olivier Douliery Image caption The new Newtonians can see light that is twice as bright a telescope could normally seeThe team says the new telescopes can see a little more light than a traditional telescope can, but it has not been able to see light twice as brightly.
The team has also been working on improving the optics.
It has used silicon dioxide in its optics, but Professor Parnet says it is a bit more expensive than other materials.
“It’s not expensive because we don’t have to use silicon dioxide,” he explained.
“You just use aluminium foil and you put it in the middle of the mirror.”
What the team thinks about the technology:Newtons will help us see our universe at much greater distances than telescopes, so it is not surprising that the team is working on the technology.
But there are questions over how the technology will work in practice.
“If you are using an aluminium foil, you can see much more light from the front, so you don’t need the mirror at the back,” Professor Pornell said.
“But if you are in a different galaxy, and you can’t see the light from that galaxy, you will need the front mirror to focus that light on the light coming from that distant galaxy.”
“And it’s not necessarily what you want, because you want to see the stars and the galaxies, but you don-t want to have the light come from your own galaxy.”
What we do know about Newtonian refractorsThe team hopes that by 2020, the telescopes will be able to produce more than 400 images per day.
Image copyright AP Image caption Newtonians have a wider field of view than other telescopes, making it easier to focus the light on a single objectThe new telescopes will allow astronomers to see stars far beyond the Andromeda Galaxy.
The astronomers have been working closely with colleagues from the European Southern Observatory (ESO) to design the new telescope.
The ESO has developed a new technology to use mirrors on a sphere rather than a cube, and have tested it with images taken from the telescope.
Newt’s theory predicts that the galaxy at the centre of Andromeda is about twice the size of our own Milky Way, and that the Andromeda star cluster is twice the mass of our Sun.
“That’s not to say it’s supermassive