Tech
Hubble discovers unusual wrinkles in the rate of expansion of the universe
Over the past 30 years, the Space Observatory has helped scientists discover and refine this rate of acceleration, as well as reveal puzzling problems that only new physics can solve.
Hubble has detected more than 40 galaxies containing pulsars as well as exploding stars called supernovae to measure large cosmic distances. These two phenomena help astronomers define astronomical distances as miles markers that indicate expansion rates.
In their quest to understand how rapidly our universe is expanding, astronomers made an unexpected discovery back in 1998: “dark energy.” This phenomenon acts as a mysterious driving force, accelerating the rate of expansion.
And there is another event: the inexplicable difference between the rate of expansion of the local universe and the rate of expansion of the distant universe immediately after the Big Bang.
Scientists do not understand the paradox, but admit that it is strange and may require new physics.
“You get the most accurate measure of the expansion rate of the universe with the gold standard for telescopes and space tilt markers,” said Adam Reese, Nobel Prize winner at the Space Telescope Science Institute and professor emeritus at Johns Hopkins University in Baltimore. in the current situation.
“That’s what the Hubble Space Telescope was built for, using the best technology we know. This is probably the Hubble magnum, because it will take another 30 years of Hubble’s life to double the size of this sample.”
decades of observation
The telescope is named after pioneering astronomer Edwin Hubble, who discovered in the 1920s that distant clouds in the universe are actually galaxies. (died 1953).
Hubble built on astronomer Henrietta Swan-Levitt’s 1912 work to detect periods of brightness in pulsars called variable Cepheids. Cepheids act as cosmic tilt markers because they periodically light up and dim in our galaxy and beyond.
Hubble’s work led to the discovery that our galaxy was one of many that forever changed our perspective and our place in the universe. The astronomer continued his work and found that distant galaxies appear to be moving rapidly, suggesting that we live in an expanding universe that began with the Big Bang.
Reiss continues to lead SHOES, short for Supernova, H0, for the equation of state for dark energy, a scientific collaboration that explores the expansion rate of the universe. His team publishes a paper in The Astrophysical Journal that provides the latest information on the Hubble constant since the expansion rate is known.
unresolved contradiction
Measuring distant objects has created a “cosmic distance ladder” that could help scientists better estimate the age of the universe and understand its foundations.
Several groups of astronomers using the Hubble telescope have come up with a Hubble constant of 73 plus or minus 1 kilometer per second per megaparsec. (One megaparsec is equal to one million parsecs, or 3.26 million light years.)
“The Hubble constant is a special number,” he said. “It can be used to thread a needle from the past into the present to test a comprehensive understanding of our universe. It required a huge amount of detailed work.” This was stated by a cosmologist from the Catalan Institute for Research and Advanced Studies and the Institute of Cosmology of the University of Barcelona Lecia Verdi.
But the actual rate of expansion expected from the universe is slower than the rate observed by the Hubble telescope, according to astronomers using the Standard Cosmological Model of the Universe (a theory that refers to the components of the Big Bang) and measurements made by the European Space Agency. Planck. work from 2009 to 2013.
The Planck Observatory, another space-based observatory, was used to measure the cosmic microwave background, or residual radiation from the Big Bang 13.8 billion years ago.
Planck’s scientists achieved the Hubble constant of 67.5 plus or minus 0.5 kilometers per second per megaparsec.
This presents an exciting challenge for cosmologists who were once determined to measure the Hubble constant and are now wondering what additional physical data could help them unravel the new mystery of the universe.
“I don’t really care about the specific value of the scale, but I like to use it to understand the universe,” Reese said.
Amateur music guru. Lifelong coffee scholar. Zombieaholic. Pop culture junkie.
Amateur music guru. Lifelong coffee scholar. Zombieaholic. Pop culture junkie.
Being very close companies, OPPO and OnePlus have decided to create a new partnership, with the latter being a pioneer in the market. It has become the representative of the best smartphones in the group, and this will be seen very soon.
Proving this, OnePlus has announced that it will have news soon. The following brand assets will be announced on February 7, 2023. We are talking about OnePlus 11 5G and Buds Pro 2.
In recent years, OnePlus has been showcasing new hardware in an attempt to find a new place in the market. The brand has not always seen its full potential, betting on mid-range or entry-level smartphones.
The situation is changing, and the novelty will go on sale in early 2023, February 7. It is on this day that the new OnePlus 11 5G will be presented with all the expected news. We definitely have the new Qualcomm Snapdragon 8 Gen 2 SoC here. There's still 16GB of storage left and 256GB of onboard storage.
It is expected that he will receive a 6.7-inch OLED display with a resolution of 1440p and a frequency of 120 Hz. In the field of photography, we will have an important change: a 50 MP main camera, a 48 MP ultra wide-angle camera and a 32 MP telephoto lens with 2x zoom. For selfies and video calls, you'll have a 16-megapixel camera.
The photography partnership with Hasselblad will continue with OnePlus for fine-tuning and some additions. This alliance has brought important results for the best smartphones of the brand, guaranteeing the best photos in any situation.
In addition to the new OnePlus 11 5G, another brand new feature is also expected to arrive at the event. We're talking about the Buds Pro 2, which are solidifying an audio commitment that's becoming more of a reality. The brand promises "rich stereo quality sound with crystal clear clarity".
Stays like this marked by the beginning of February, another important novelty will enter the market. OnePlus wants to reclaim its place, and that will be the brand's bet for years to come. OnePlus 11 5G and Buds Pro 2 take the first step in this direction.
Amateur music guru. Lifelong coffee scholar. Zombieaholic. Pop culture junkie.
According to information provided by Mukul Sharma, the unidentified POCO device can be identified by the model number 22127PC95I. Due to the fact that it was first seen online, the marketing name of this equipment is still a mystery.
POCO has not launched new mobile devices, including smartphones, to the market for some time now. On the other hand, several POCO smartphones such as POKO X5 and X5 Pro have been spotted on various certification sites, suggesting that the company will release these products soon. Today a new smartphone from the sub-brand xiaomi has been spotted on the BIS India website but the device does not have a name or any other details associated with it.
A new POCO device (model number 22127PC95I) has been included in the Indian BIS certification. POCO F5 has the model number 23013PC75I. #A LITTLE pic.twitter.com/NAFloP5Crt
— Mukul Sharma (@stufflistings) December 19, 2022
According to information provided by Mukul Sharma, the unidentified POCO device can be identified by the model number 22127PC95I. Due to the fact that it was first seen online, the marketing name of this equipment is still a mystery. It is possible that it will debut as a mid-range smartphone. The Bureau of Indian Standards (BIS) website, other than the model number of the smartphone, does not provide any additional information about the device. However, this seems to indicate that the product will be available in the Indian market very soon.
In other related news, POCO X5 5G has recently been seen on several certification sites including SIRIM in Malaysia, BIS in India and the US FCC. According to various sources, it is possible that this is a renamed or modified version Redmi Note 12 5Gwhich was recently released in China.
It is supposed to be equipped screen 6.67″ AMOLED display with 120Hz refresh rate and chipset Snapdragon 4 Gen 1 inside. Can run MIUI 13 based on android 12 and have LPDDR4x RAM in addition to UFS 2.2 storage. The front camera is rumored to be 8MP while the main rear camera will be 48MP with 2MP depth. May have the ability drums 5000 mAh and 33W fast charging support.
In addition POCO X5 Pro 5G has recently been seen on various sites dedicated to certification. The battery is said to have a capacity of 5000 mAh and can charge at 67W. It will come with MIUI 14 preinstalled and will support n5, n7, n38, n41, n77 and n78 network bands. 5G.
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Amateur music guru. Lifelong coffee scholar. Zombieaholic. Pop culture junkie.
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