There is no way to understand how many galaxies there are in the universe, only an infinite number. Scientists have discovered 12 galaxies from the early universe, and the most incredible thing about them is that they are practically replicas. It doesn't just make you wonder, are there parallel universes in the universe, because they're the only ones that can give rise to so many of the same galaxies, or are there replicas of the universe? Could something similar be happening in our galaxy? Could there be other replicas of Earth in space?
An international team of astronomers led by Haakondal from the University of Oslo used the Hubble Space Telescope to observe the 11-billion-year-old galaxy in no fewer than a dozen multiple gravitational lensing images. The discovery sheds light on a key period in the history of our universe: reionization. But why are there 12 identical galaxies in the universe?
For one thing, the arcs of light visible in the Hubble image are not strange artifacts or smears on the space telescope's lens, but distorted and reproduced light from 11 billion galaxies, at least 12 copies of which are identical in this image. From this picture, astronomers can learn a lot about the universe, such as gravity, which we all know increases as mass increases. As an object, gravity is invisible and mysterious. In addition, gravity traps can affect the path of light as well as physical material at the galactic scale, meaning that objects with a lot of gravity, such as galaxy clusters, can bend and amplify light from distant objects.39bet-xsmb-xổ số tây ninh-xổ số binh phước-xổ số binh dương-xổ số đồng nai
Einstein predicted this phenomenon. It's called gravitational lensing. Researchers frequently use it to see into the early universe, the research that was too weak to discern the lensing galaxies, they can create numerous views of distant galaxies, create multiple copies of the same object. This is what we see in the galaxy, although the number of galaxies is much more than normal, but the light is being a giant galaxy clusters bent and division.
In the Hubble images, can see a total of 12 galaxies, three of them located in the upper right corner, the remaining two in the bottom left, is a bright lens galaxy, due to the powerful lens, even at great distances, the galaxy of some replica brightness can still reach 10 to 30 times that of the original galaxies, which allow scientists to see some details, For example, scientists found that it's only 520 light years across.
Back in cosmic history, 11 billion years ago, the universe's youngest galaxies exploded in a huge explosion that produced enormous amounts of ionizing radiation, causing intergalactic gas to become ionized. But scientists still wonder why so much radiation can escape through the dense layers of gas surrounding these newborn galaxies. Scientists suspect it has to do with star formation. Some star forming regions and nebulae can stretch out into so much space that we can then compare these galaxies with younger galaxies to understand the evolution of galaxies.
But our galaxy contains neutral hydrogen, which blocks the production of ionizing light. The only way to see it directly is to look at galaxies farther away from the Milky Way, as the expansion of the universe stretches light to longer wavelengths that aren't absorbed by the gas, yet distant galaxies are generally too faint to be studied in detail, and the advent of gravitational lensing helps us see farther away. Gravitational lensing can magnify it sufficiently for us to see what it truly looks like, a rare discovery.
When galaxy clusters act as strong gravitational lensing, up to four different versions of the same object can be seen, but this Hubble Space Telescope image shows that astronomers have used gravitational lensing to find 12 identical images of galaxies, in which astronomers can see the sun erupting in arcs, and give them a hitherto unattainable view of where ionizing radiation escapes. Before making the scientists were able to far object cannot reach levels to explore the details of the Milky Way galaxy, before that, as the operation of gravitational lensing galaxy clusters and arc are identified, the outbreak of the sun in about 600 unknown clusters were found in this way, however, these original Planck must be confirmed by optical telescopes on the ground, To prove that they are, in fact, real clusters.
Researchers compared with sunshine through the clouds. It includes the naming of lighter for the arc of the outbreak of the sun, as compared with our other stars in the sky. The sun is extremely bright. The Hubble space telescope also indicated that the outbreak of arc is similar to the earliest galaxies. These galaxies formed in 13.3 billion to about 12.8 billion years ago, after the big bang era of reionization. The universe is filled with neutral hydrogen, totally opaque, and it's difficult to see anything since then, therefore it's difficult to figure out the exact mechanism that happened at that time. The energetic radiation needed to ionize hydrogen in the early universe had to be able to escape galaxies without being absorbed by the interstellar medium, but only a few galaxies have been observed to be able to do this, therefore most galaxies remain a mystery to us.
But fortunately, the emergence of gravitational lensing allowed the researchers to continue to measure various spectral lines of the stars in the galaxy, and using the Hubble space telescope to learn further information about its composition, the scientists will be able to more detailed studies of the Milky Way galaxy, possibly can actually find parallel universe, or even possibly parallel to the earth. What do you think? Feel free to leave your comments!