Science

TRAVEL THROUGH THE UNIVERSE: An unimaginable interactive map allows you to discover 200,000 galaxies

Area fans not must depend on science fiction or anticipate photographs returned from the James Webb Area Telescope to discover the deepest edges of the universe.

Astronomers from Johns Hopkins College have created a brand new interactive map that permits you to navigate the universe.

Utilizing information mined by the Sloan Digital Sky Survey over twenty years, the map permits the general public to expertise part of the universe beforehand solely accessible to scientists.

The map, which may be considered and downloaded totally free, exhibits the precise location and true colour of 200,000 galaxies, every containing billions of stars and planets.

Astronomers from Johns Hopkins College have created a brand new interactive map that allows you to navigate the universe

The map, which can be viewed and downloaded for free, shows the exact location and true color of 200,000 galaxies, each containing billions of stars and planets.

The map, which may be considered and downloaded totally free, exhibits the precise location and true colour of 200,000 galaxies, every containing billions of stars and planets.

What does the map present?

Every level on the map represents a galaxy with a definite colour.

Lower than a billion years in the past: The primary a part of the universe, extending outward from the Milky Manner, exhibits 1000’s of spiral galaxies, proven as blue dots.

1.6 billion years in the past: We see elliptical galaxies which can be yellow, and brighter than spiral galaxies.

4.5 billion years in the past: We see ‘redshifted elliptical galaxies’, which seem redder as photons are stretched because the universe expands.

6.2 billion years in the past: Galaxies have gotten more durable to see. Nonetheless, we are able to nonetheless see quasars, that are supermassive black holes on the middle of some galaxies.

10 billion years in the past: Blue quasars have gotten rarer, as ‘redshifted quasars’ are actually showing.

On a smaller scale, we encounter a interval when the universe is full of hydrogen fuel that blocks the seen gentle we see at the moment. This era is named the ‘darkish ages’.

Past this huge void, we see a shiny blue-yellow border, which represents the sting of the seen universe.

Supply: mapoftheuniverse.internet

Map maker Brice Ménard, a professor at Johns Hopkins stated: ‘I have been actually impressed by astronomical photographs, stars, nebulae and galaxies, and now it is time to create a brand new type of picture to encourage folks.

‘Astrophysicists world wide have analyzed this information for years, resulting in 1000’s of scientific papers and analysis.

‘However nobody has taken the time to create a lovely, scientifically correct map that may be understood by non-scientists. Our purpose right here is to point out everybody what the universe actually is.’

For this fascinating undertaking, researchers collected information from the Sloan Digital Sky Survey, the primary effort to seize the evening sky utilizing a telescope primarily based in New Mexico.

Since its launch in 2000, researchers have steadily captured such a broad view of the universe by aiming the telescope at a barely totally different spot every evening.

With the assistance of former Johns Hopkins pc science pupil Nikita Shtarkman, Dr Ménard was in a position to visualize the ‘faux’ universe.

This ‘slice’ comprises 200,000 galaxies, the place every level represents one galaxy, and every galaxy comprises billions of stars and planets.

Our Milky Manner is only a small dot on the huge map and is positioned on the backside.

On the identical time, the highest of the map exhibits the sting of the seen world.

The colour on the map modifications as you rotate westward up from the Milky Manner.

The primary a part of the universe, extending outward from the Milky Manner, exhibits 1000’s of spiral galaxies, proven as blue dots.

Above the map, we are able to see elliptical galaxies from 1.6 billion years in the past, that are yellow, and brighter than spiral galaxies.

Going again to 4.5 billion years in the past, we are able to see ‘redshifted elliptical galaxies’, which seem redder because the photons of the universe increase.

Illustration of the Milky Way, which is at the bottom of the map, and contains an estimated 100 billion stars

Illustration of the Milky Manner, which is on the backside of the map, and comprises an estimated 100 billion stars

The workforce defined: ‘That is the case for elliptical galaxies. At these intervals, they seem crimson to us. Because the fainter spiral galaxies are not seen, filamentary buildings are much less seen.’

At in regards to the 6.2 billion yr mark, galaxies grow to be more durable to see. Nonetheless, we are able to nonetheless see quasars, that are brighter and bluer.

On the map, the huge crimson dots are slowly being changed by an ocean of blue dots representing quasars, that are the supermassive black holes on the middle of some galaxies.

The workforce added: ‘As they collect extra fuel and stars round them, they grow to be very shiny and may be seen all through the universe. Its gentle is blue.’

On the 10 billion yr mark, the blue quasars on the map grow to be scarce, as ‘redshifted quasars’ now seem.

At these distances, the enlargement of the universe is so nice that the blue photons from quasars are stretched and seem redder, the researchers stated.

‘Additional away, we encounter a interval during which the universe is full of hydrogen fuel that blocks the unfold of seen gentle we see at the moment. This era is named the “darkish ages”.’

This is the first image of lightning released shortly after the big bang, 13.7 billion years ago, taken by the Sloan Digital Sky Survey

That is the primary picture of lightning launched shortly after the massive bang, 13.7 billion years in the past, taken by the Sloan Digital Sky Survey.

This mysterious interval of the universe spans about 400,000 years after the Large Bang, and lasts a whole bunch of thousands and thousands of years.

Past this huge void, we see a shiny blue-yellow border, which represents the sting of the seen universe.

The workforce stated: ‘That is the primary picture of lightning launched shortly after the massive bang, 13.7 billion years in the past.

This gentle is emitted from the enlargement of the universe and reaches us as radio waves. That is the sting of the seen universe.’

Dr Ménard continued: ‘On this map, we’re only a speck on the backside, only a pixel. And after I say we, I imply our galaxy, the Milky Manner which comprises billions of stars and planets.

We’re used to seeing astronomical photographs exhibiting a galaxy right here, a galaxy there, or maybe a cluster of galaxies. However what this map exhibits is a really totally different scale.’

He hopes that folks will each expertise the map’s simple magnificence and awe-inspiring scale.

He concluded: ‘From that piece of wooden on the backside, we are able to map galaxies throughout the universe, and that claims one thing in regards to the energy of science.’

What’s a QUASAR?

‘Quasar’ is brief for quasi-stellar radio supply, and describes the intense middle of a star.

All galaxies have supermassive black holes at their cores.

When the influx of fuel and mud into this black gap reaches a sure degree, the occasion can create a ‘quasar’ – a area that could be very shiny as the thing orbits the black gap.

It’s roughly 3,260 gentle years throughout.

These areas emit loads of electromagnetic radiation into the airplane, and could be a thousand occasions extra highly effective than the solar.

Nonetheless, they final solely 10 to 100 million years on common, so they’re troublesome to seek out in galaxies which can be billions of years previous.

A quickly spinning disc ejects particles outward at speeds approaching that of sunshine.

These lively ‘engines’ emit gentle and radiant waves.

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