what is the answer to the universe

Basics | Universe - NASA Universe Exploration So it just appears weaker to our three-dimensional experiments. 42 Meaning & Origin | Slang by Dictionary.com How does the universe work? I've seen various calculations on how many kingdoms of life there are. "This helps to rule out that there was a systematic problem with Planck from a couple of sources" says Beaton. Using this gravitational lensing technique, we can measure the severity of that bend to get an idea of the galaxys mass. Depending on what these new telescopes reveal, Beaton and Freedman could well find themselves in the midst of a mystery worthy of an Agatha Christie novel after all. Deep Thought, however, doesnt know the exact question it was asked to answer, rendering 42 a completely meaningless response. Step 1: How it all started. It didn't take a lot of effort because gravity is, by far, the weakest of the four fundamental forces of nature. Site Editor: String theory has already primed the pump for such ideas, requiring the existence of new, compact spatial dimensions to get the math of the theory to come out right. Answer: Correct answer: B). A universe that could be imagined to exist outside our own. While we cant see dark matter, we know its there. And it's the mass of the W and Z bosons that sets the properties of the weak nuclear force, because it's those very particles that are doing the work. We have known that the Universe is expanding since the early 20th century. The Evolution of the Universe - Scientific American But recent observations of distant supernovae and other observations show that the Universe is not only expanding, but the expansion is accelerating. It is so large that light from very distant objects in the universe must travel billions of years before . (Image credit: NASA/WMAP Science Team) The Big Bang was not an explosion in space, as the theory . GMACS - Moderate Dispersion Optical Spectrograph for the Giant Magellan Telescopeis a powerful optical spectrograph that will unlock the power of the Giant Magellan Telescope for research ranging from the formation of stars and planets to cosmology. Several billion years from now, the Sun will expand, swallowing Mercury and Venus, and filling Earths sky. The Big Bang The birth of galaxies What is space? At least not yet. New observations show that a previously identified exoplanet, TOI-1075 b, is among the most massive super-Earths found so far. AI cancer scans, and heatproof drone plans, Light pollution: time to flick the switch. These telescopes are both equipped with instruments to take images and spectra of light from a wide variety of astronomical sources, including exoplanet systems, star-forming regions, supernova remnants, and interacting galaxies. In the early 21st century alone, astronomers discovered thousands of planets around other stars, detected gravitational waves for the first time and produced the first image of a black hole. The Big Bang is the name given to the birth event of the universe. In the span of a single human lifetime, space probes have voyaged to the outer solar system and sent back the first up-close images of the four giant outermost planets and their countless moons; rovers wheeled along the surface on Mars for the first time; humans constructed a permanently crewed, Earth-orbiting space station; and the first large space telescopes delivered jaw-dropping views of more distant parts of the cosmos than ever before. The answer to life, the universe, and everything | MIT News reference in the universe, and the laws of physics are the same Over a century since Hubble's first estimate for the rate of cosmic expansion, that number has been revised downwards time and time again. No matter . A previously discovered "hot Jupiter" appears to be spiraling into its star, new data shows. If you go looking for it, you will find it. For countless lifetimes, humans had little or no means of understanding the universe. The CfA Redshift Catalog (ZCAT), created by researchers at the Center for Astrophysics | Harvard & Smithsonian, is a clearinghouse for historical redshift data from a number of observatories, including the 1.5-Meter Tillinghast Telescope and the MMT Observatory, both CfA-operated telescopes located at the Fred Lawrence Whipple Observatory (FLWO) in Arizona. If galaxies were all the same size, that would give us 10 thousand billion billion (or 10 sextillion) stars in the observable universe. Beverley - There's another answer. The answer could reveal whether everything we thought we knew about physics is wrong. These theories are generally called "large extra dimensions," but those extra dimensions aren't as large as you might think just a millimeter or so. Earth and the Moon are part of the universe, as are the other planets and their many dozens of moons. He explains, "Man first of all exists, encounters himself, surges up in the world and defines himself afterwards.". I sat at my desk, stared into the garden and thought 42 will do. I typed it out. This means that there is no preferred frame of reference in the universe, and the laws of physics are the same regardless of where an observer is located. Our planet, Earth, is an oasis not only in space, but in time. For humans and the other things living on our planet, practically the entire cosmos is a hostile and merciless environment. By comparison, the W and Z bosons the force carriers of the weak nuclear force are about 10 quadrillion times lighter than the Planck mass. Physicists at the Center for Astrophysics | Harvard & Smithsonian maintain the HIgh-resolution TRANsmission (HITRAN) and HIgh TEMPerature (HITEMP) databases of molecular spectral parameters, along with the HITRAN Application Programming Interface (HAPI) which also enables one to access the database archive and process the data. Related: Artificial gravity: Definition, future tech and research. An alternative is that there was dark energy present in the early universe that just disappeared, but there is no obvious reason why it would do this. "Star factories" like this one can operate for millions of years. James - I can't speak to that. Observable universe | Definition, Size, Description, & Facts New data from NASA's Webb space telescope reveals new details about a strange but common planet type, a 'mini-Neptune.'. "You'd have to do it in a really contrived way and that doesn't look very promising." We don't even know how big the Universe is! This astonishing discovery came as a complete surprise because the expansion of the Universe should slow down with time because of the gravitational attraction between galaxies and clusters of galaxies. Among the many particles that interact with the Higgs boson are the W and Z bosons, and it's through that interaction that they acquire mass. For nearly two-thirds of the time since the universe began, Earth did not even exist. Space itself expanded from a single point to the enormous cosmos as the universe expanded over time. A SpaceX Falcon 9 rocket sent a European-built spacecraft on a 1 million mi. If they find that the difference in the Hubble Constant does persist, however, then it will be time for new physics. The universe also includes all radiation and all other forms of energy. Dr Josu Aurrekoetxea joined The Queens College as Beecroft Fellow in Cosmology and Extraordinary Junior Research Fellow in Physics in 2021. But scientists now believe they are close to an answer, largely thanks to new experiments and observations aimed at finding out exactly what the Hubble Constant really is. Because our ancestors themselves invented them, the myths reflect human concerns, hopes, aspirations or fears rather than the nature of reality. Humans say out in space as if its there and were here, as if Earth is separate from the rest of the universe. Using the same type of stars, another team used the Hubble Space Telescope in 2019 to arrive at a figure of 74km (46 miles)/s/Mpc. Galaxies, star clusters, planets, dwarf planets, rogue planets, moons, rings, ringlets, comets, meteorites, raccoons theyre all collections of matter exhibiting characteristics different from one another but obeying the same natural laws. After calculating for 7.5-million years, Deep Thought determined the answer was the number 42. James - I am not surprised. This "hierarchy problem" seems odd to most physicists. Today's estimates put it at somewhere between 67 and 74km/s/Mpc (42-46 miles/s/Mpc). 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Throughout traditional media, on social media, in casual conversation, and other areas of culture, 42 enjoys use as a light-hearted allusion and in-joke among fans of Douglas Adams and The Hitchhikers Guide to the Galaxy. We have yet to send a space probe to even the nearest of the billions upon billions of other stars in the galaxy. Chandra is one of NASAs orbiting Great Observatories, along with the Hubble. ZCAT is an essential resource for data on redshift surveys up to 2008, carrying on the legacy of the original CfA Redshift Surveys conducted in the 1970s and 80s. And I think its the sound as well. The greatest computer ever built was asked what the meaning of life is and it literally told everyone in ITS language that "Life is what you make it". One of the most intriguing principles of . Our galaxy, the Milky Way, is racing away from others around it as the Universe expands (Credit: Allan Morton/Dennis Milon/Science Photo Library). They all look the same to us. It has a sort of ooh sounds, forty-two in English. What is the universe? Definition and examples - Market Business News It seems that Douglas Adams was right after all: the answer to Life, the Universe and everything, is 42. Light from shortly after the Big Bang is detectable as the cosmic microwave radiation (CMB). I know they have different systems of learning things though.. The Naked Scientists 20002020 | The Naked Scientists and Naked Science are registered trademarks created by Dr Chris Smith. The Answer To Life, The Universe And Everything? It's 63 - NPR The technique used by Freedman and her colleagues takes advantage of a specific type of star called a Cepheid variable. Scientists have begun tallying those clumps of matter and the resulting numbers are pretty wild. And, in truth, for anything like a microorganism to . Queens Old Members can get a full discount on the session cost of 15 by entering the code QOM100 at checkout. Much of the observable matter in the universe takes the form of individual atoms of hydrogen, which is the simplest atomic element, made of only a proton and an electron (if the atom also contains a neutron, it is instead called deuterium). The width would reach from here to the moon. Looking at these distributions, we can more accurately measure the distance to galaxies and map the effects of dark energy. The strange feebleness of gravity sticks out, almost demanding an answer. But most of the kingdoms of life out there are microbial. Tiny disturbances in early universe can be seen in fluctuations in the oldest light in the Universe the cosmic microwave background (Credit: Nasa/JPL/ESA-Planck). Let's leave aside electromagnetism and the strong nuclear force and just compare gravity to its "nearest" rival, the weak nuclear force. The Milky Way is but one of billions of galaxies in the observable universe all of them, including our own, are thought to have supermassive black holes at their centers. "The Ultimate Answer to Life, The Universe and Everything is42!" Moreover, the possible detection and investigation of the so-called B-mode polarization pattern on the Cosmic Microwave Background (CMB) impressed by gravitational waves during those initial instants will provide clues for how the large-scale structures we observe today came to be. It turns out that roughly 68% of the universe is dark energy. An enormous challenge for scientists is that most of the matter in the Universe is invisible and the source of most of the energy is not understood. universe, the whole cosmic system of matter and energy of which Earth, and therefore the human race, is a part. The Center for Astrophysics | Harvard & Smithsonian, The percentage of matter and energy in the Universe that is currently unobservable, Credit: NASA/ESA, The Hubble Key Project Team and The High-Z Supernova Search Team, Theoretical Astrophysics, Institute for Theory and Computation. Though I have interesting things about 42. The first phase of the program, Pan-STARRS1, used a 1.8-meter telescope on the summit of Haleakal on the island of Maui in Hawaii. A handpicked selection of stories fromBBC Future,Culture,Worklife, andTravel, delivered to your inbox every Friday. Humans havent even explored all the worlds in our own solar system. However, his Theory of General Relativity predicted that the Universe was not static, and so he added a cosmological constant, to oppose gravity. Because obviously, as you descend further towards the centre of mass of earth, gravity means that you're making the gas more and more dense. The warping and magnification of this light gives us insight into the amount, density, and distribution of dark matter in any given lensing galaxy. The Sloan Digital Sky Survey continues its twenty-year legacy of wide-field optical/infrared imaging and spectroscopy, which has led astronomy into the era of large archives and data science. Or we might start to fashion tiny black holes in our particle colliders, because at those tiny scales, it would be easier than we thought to build a black hole. The Big Bang theory of cosmology successfully describes the 13.7 billion years of evolutionary history of our Universe. that will help our users expand their word mastery. Dark Energy, Dark Matter | Science Mission Directorate Other than that, it is a complete mystery. Space is part of Future US Inc, an international media group and leading digital publisher. James - Yeah, I dont think. Earth, the Sun, and the rest of the solar system are only a very small part of the universe. It includes all of space, and all the matter and energy that space contains. We study physics, build models and propose observables for the primordial universe using quantum field theory, general relativity and/or string theory, and test them with data from astrophysical observations. End of story.. Humanity has traveled a long road since societies imagined Earth, the Sun, and the Moon as the main objects of creation, with the rest of the universe being formed almost as an afterthought. However, the farther back in time, astronomers often rely on a single measurement type for each galaxy to measure star-formation rates. This new, unknown component, which comprises ~68% of the matter-energy content of the universe, will determine the ultimate fate of all. This expansion also stretches the wavelength of light, which astronomers call cosmological redshift, since it pushes visible light colors toward the red end of the spectrum. What is the Universe? - BYJU'S This astounding observation was chalked up to "dark energy," a mysterious. Scientists at CfAhave led the Baryon Oscillation Spectroscopic Survey (BOSS), analyzing millions of galaxies and charting their distribution in the Universe. The universe, on the other hand, appears to be about 13.8 billion years old. NASAs Submillimeter Wave Astronomy Satellite (SWAS) was a space observatory built to look for water and other molecules associated with life as we know it. Global climate is changing due to burning of fossil fuels and deforestation. Strangely, the solution to gravity's weakness may not lie in gravity itself but in the mechanics of the Higgs boson and the very nature of space-time. Sylvia Salow Have you ever wondered how to receive answers from the universe? 'You and 42: The Hitchhiker's Guide to #DouglasAdams' Can't wait to dig in to this book of fan essays (plus one from me) on the work of the great man, with all proceeds to @savetherhino @WhoDaresPublish pic.twitter.com/2qUbrci5oU, Ian McArdell (@IanMcArdell) May 17, 2018. Just imagine doubling a piece of paper. Several centuries ago, however, humans began to apply mathematics, writing and new investigative principles to the search for knowledge. Wiki User 2012-09-15 16:59:07 Study now See answer (1) Best Answer Copy. His research interests include the development of ultrasensitive quantum detectors and superconducting components for millimetre and terahertz astronomical receivers.
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