The telescope

-The exciting news that the Webb Space Telescope captured the first image of an exoplanet.

We were all eager to see this groundbreaking film, which was really cool.

It is a young gas giant about 355 light years away, but to the casual observer, it looks kind of fuzzy like a planet, so I don't know.

The thing is, however astonishing as JwST may be,

it won't ever provide us with a picture of an exoplanet

That is like.

This is one of the most definite pictures of earth at any point taken.

Land masses, oceans, and clouds are evident signs that the planet can support life.

So. How can we get closer to this from something like this?

A NASA team has been given the task of planning a mission that could be a significant step in that direction.

a task that might provide an answer to the question.

Might it be said that we are separated from everyone else?

It is a fact that neither the current instrument nor any future instrument will be able to provide us with direct images of the exoplanets.

- It is true that this JWST image is a direct image; however, despite the fact that it looks like this and depicts a gas giant, this is not the subject of our discussion.

JWST is unable to produce a direct image of a smaller earth-like exoplanet with a great deal of detail.

We've made some pretty big telescopes in the past, but it would be hard to get the picture we're talking about with the size of the lens needed.

-Ifl take our own earth,

the breadth of our earth is around 13,000 kilometers,

furthermore, I move that item to 100 light years away.

I need a telescope with a diameter of about 90 kilometers in order to image that exoplanet with just one pixel.

-So we should see, a 90 kilometer telescope

that is around 55 miles.

Therefore, merely the distance between New York City and Bridgeport, Connecticut.

or from San Bernardino to Los Angeles, or look, you get it.

Even for a single-pixel image, it is just too big for a telescope lens.

-Supposing I have 10 pixels, I need a 900-kilometer telescope.

- In this way, Slava and his group went to a fortunate idiosyncrasy of physical science

to tackle this issue.

Before we can travel to those far-off floors, the only way we can start seeing those exoplanets directly is through the solar gravitational lens.

-Okay. Gravitational focal point is truly cool

however, it very well may be difficult to comprehend.

Let's do this, then.

Now, you need three things to witness this phenomenon.

An object that is far away, like an exoplanet, something with a lot of mass, like a star, and then something that looks back in a straight line, like a telescope.

Perfect. Oh, and by the way, nothing in this video is to scale. Oh, none of this is to scale.

So what are you going to do?

Okay. The fact that light can bend or refract is the most crucial fact to understand.

Put a straw in a glass of water and voilà, the light has been twisted.

In the event that your eyeballs are not doing a good enough job on their own, your glasses will also bend light.

Focal points can likewise amplify stuff on the off chance that it's a raised focal point,

so you realize that sort of lumps out.

Basically. You just need something like glass, water, or space time to bend light.

Space time can be bended

by the gravity of something gigantic like the star.

Like a convex lens, light from a faraway object is greatly magnified when it hits this space-time curve, which bends around it.

Think of it as extremely powerful reading glasses.

Presently, on the off chance that we're ready to straightforwardly look

at this tremendous item through a telescope.

We will observe the light in the form of an Einstein ring as it curves around it at just the right angle. This Einstein ring basically contains all of the lights from the Luminous Source.

- At the end of the day, all the data we really want

to make an image of a planet.

Now, it's hard to see an Einstein ring because everything has to be perfectly positioned relative to the observer.

You must be looking at, for example.

a galaxy with another galaxy behind it, and after that, you'll be far enough from everything to be at the point where all the light rays meet.

It's hard, but you can actually game plan for all of these if you know where they are going.

Which is the very specialist and his group's arrangement. You get a telescope

You find an exoplanet,

then you utilize the sun as your gigantic body to twist the

light.

A light from the exoplanet twists around the sun

making an Einstein ring that.

that keep the lights away from a bright source.

-What's more, recall

r, we've amplified that light.

So now. instead of a blurry picture.

-Within a 1000 x 1000 pixel image, we can construct an image of that exoplanet.

Therefore, we will be able to observe weather patterns, topography, ice caps, and continental lines.

Also, deserts, oceans, and continents.

Additionally, it means hypothetically.

We would be able to see the city lights at night, which would indicate the existence of intelligent life elsewhere in the universe.

However, examine that ring.

How would we build a high goal picture out of that?

It does not appear to be a planet.

The idea is to take multiple pictures instead of just one.

The telescope would take a lot of pictures of the ring from a variety of slightly different angles, each time recording the brightness difference.

Then, using a technique known as deconvolution, we can assemble a clear image when we get those images back on Earth.

Now that sounds insane,

indeed, it's like the way in which NASA made this picture from previously.

This isn't only a single shot of earthlike the first Blue Marble taken from Apollo.

It's long stretches of light information gathered by a satellite

that was then sewed together.

Presently, the goal here is clearly more prominent

also, the execution is somewhat unique,

however, I mean, it's earth, we're here.

However, the fundamental idea is the same.

Isn't that great?

All in all, where do we put this thing?

That is the tricky part, then.

We must reach a location approximately 550 AU away.

Still takes some time.

-which is slightly further from San Bernardino to Los Angeles than Los Angeles.

You see, that telescope needs to be sufficiently far back to hit a sweet spot in order to actually observe the Einstein ring.

what begins around 82 billion kilometers away.

Also, sadly, current impetus innovation

can't get us to that distance

in a sensible measure of time,

which the analyst decides to be 25 to 35 years,

so inside the vocation of a researcher.

As a result, the researcher is looking into solar sales as a means of acquiring more power.

Even though we aren't there yet, solar sales are already being utilized and tested in other missions.

But once you get there, you'll have all the time in the world to take photos as long as you travel along the focal plane, or sweet spot, to use a technical term.

That is, until the satellite stops functioning.

Since your telescope will only ever image that one exoplanet, that's also good news.

If you wanted to see another object, you would have to move the telescope one degree to the distance between Earth and Saturn. Be that as it may, here's another cool part, these are only one meter telescopes,

So while different telescopes like JWST

recognize increasingly more exoplanets,

we can convey to an ever increasing extent

of these little 3D shape set telescopes

to the right perfect balances to see them.

Thus, the two telescopes get to do with every two best.

Nice.

- At first. I thought it was science fiction that couldn't be done, but now I think it could be done.

There is nothing that stands out.

Throughout the previous 5,000 years,

individuals would go on the consistent evening

what's more, could ponder, would we say we are separated from everyone else?

Exists life?

With the solar gravitational lens, we can accomplish that, which piques my interest and has been the driving force behind my life for the past five years.

Now, all of this sounds fantastic.

You are correct. It is.

Additionally, despite the fact that this is still in the research phase and no launches are anticipated, there is no reason not to be excited.

What's more, how about we return to the first Blue Marble

that was taken in 1972.

In the event that this mission creates in the manner the scientist and his group trusts,

we could have our most memorable picture of an exoplanet

that seems to be this by the 2060s,

under 100 years after the fact.

We should hope to see it.