Even more if the multiverse theory of the cosmos is true. Kepler and the other planet searches have just scratched the surface, and because of a variety of factors ease of finding planets in tight orbits, or in the case of spectroscopy searches, bigger planets , have been more successful in finding planets much different from earth. If you rely on so many exclusionary criteria to determine what would constitute a successful life-bearing planet — i. In a few decades, this discussion might be based on more evidence, and less speculation. Bernardz No matter how many billion times billion you have if you multipile by zero it is still zero. Lynn Munter Your math is correct as far as it goes, but where are you getting that zero from? Bernardz the Fermi Paradox Mike Richardson There are many possible solutions to the Fermi Paradox that do not involve earth being the only planet inhabited by intelligent life.
Superbrilliant Galaxy Got Its Energy by Gobbling Up Its Neighbors
Accuracy of spectroscopy-based radioactive dating of stars Authors: Sbordone Submitted on 22 Nov Abstract: Combined spectroscopic abundance analyses of stable and radioactive elements can be applied for deriving stellar ages. The achievable precision depends on factors related to spectroscopy, nucleosynthesis, and chemical evolution. We quantify the uncertainties arising from the spectroscopic analysis, and compare these to the other error sources.
The astrophysics major is designed as preparation for graduate study and consists of a standard physics major sequence; a yearlong introduction to astrophysics (typically taken in the sophomore year, but open to first-years with adequate preparation in calculus and physics); and two required courses covering advanced topics in astronomy.
One in 25 Europeans carry the cystic fibrosis gene and, in the UK, about 10, people currently have the condition. But people are living longer and longer thanks to improvements in screening at birth, early treatment and medication. One of the most important things is for patients to be put on the medication that will most effectively inhibit the progression of the disease — there are a number of different options available. Understanding the progression of the disease over time — and how this is influenced by medication and environmental factors — is vital to improving patient prognosis.
But different people respond differently to drugs, inhabit different environments and the timescale of progression is long. So the question is, how can doctors predict which patient will respond best to which treatment? Unfortunately this remains quite challenging. Curiously though, we have developed a new technique based on astrophysical research, published in PLOS One , that may be a game changer.
Share this article Share However, she says that there could be some legitimate reasons why they haven’t introduced you to their friends and family yet, in the early stages of a relationship. Alarm bells should ring if they won’t introduce you to their friends, as it probably means they don’t consider you to be a potential long-term partner file photo But she says that you should definitely question them on why they’ve not introduced you yet, if they’ve already met your friends.
If they still won’t agree to let you meet them after discussing it, then alarm bells should be ringing. You’d get an instinct that something isn’t right. SLOW FADE Someone who is unready to accept a budding relationship commits a slow fade by gradually cutting off communication and reducing contact slowly. Once they ‘catch’ them they immediately ‘release’ because the chase is over.
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January 12, Sutter contributed this article to Space. Jumping into the world of astronomy and physics as a career can seem daunting, especially for precocious high schoolers with a passion for the field. It’s relatively easy to get interested in astronomy, especially as a kid — after all, what’s cooler than monster black holes, stars and planets galore, swirling nebulas and galaxies?
And what can’t be accessed through online videos or books can be enjoyed through the simple and visceral pleasure of a clear, dark night. What’s not to love? But as soon as curious youngsters dip their toes past the pretty pictures, they’re bound to find that the world of the professional astronomer is full of complicated theories, mountains of data to painstakingly analyze, and whiteboards full of tedious calculations.
It turns out that nature does not reveal its secrets willingly or easily. It takes countless hours of work by armies of dedicated professionals to understand the deepest workings of our cosmos.
What Does It Take to Be an Astrophysicist
Cosmology – the Origin and Evolution of the Universe. Big Bang models of the universe. The blueshifts and redshirts observed in the spectra of galaxies. The expansion of the universe.
Astronomy in India has a glorious past. There are documented evidences that Astronomy was studied in India from the Vedic times dating back to BC and then nurtured in the fifth and sixth century AD by the greats like Aryabhatta, Varahamihira, Brahmagupta that continued even when Europe was passing through the dark ages.
Einstein developed a theory about space, and it was about time too! A spiral galaxy walked into a bar for a drink. How many ears does Captain Kirk have? A left ear, a right ear, and a final frontier! What do you call an alien with three eyes? It was too Sirius. What kind of stars wear sunglasses? What do you do if you see an an aggressive alien? Give it some space! What should you do if you see a green alien?
History of Technology Heroes and Villains – A little light reading Here you will find a brief history of technology. Initially inspired by the development of batteries, it covers technology in general and includes some interesting little known, or long forgotten, facts as well as a few myths about the development of technology, the science behind it, the context in which it occurred and the deeds of the many personalities, eccentrics and charlatans involved.
You may find the Search Engine , the Technology Timeline or the Hall of Fame quicker if you are looking for something or somebody in particular. Scroll down and see what treasures you can discover. Background We think of a battery today as a source of portable power, but it is no exaggeration to say that the battery is one of the most important inventions in the history of mankind.
Dating the Milky Way’s disc February 20, , Harvard-Smithsonian Center for Astrophysics. A photograph of the Andromeda galaxy, a spiral like our Milky Way. Astronomers have discovered white.
Subscribe To Our Newsletter! Let’s try your email address again! The ship is assumed to be Roman and, when it sank just off the coast of the island in the middle of the 1st century BCE, carried a huge number of artifacts dating back to as early as the 4th century BCE. In , Greek sponge divers found the shipwreck, which was submerged nearly feet, while wearing gear that was standard for the early 20th century—canvas suits and copper helmets.
Although that diver was actually fine, later exploration in the summer of caused the death of one diver and the paralysis of two more from decompression sickness or “the bends. More recent research, though, suggests that the ship may have been en route to Rome from Turkey. Giovanni Dall’Ortovia via Wikimedia Commons The unique bronze-and-wood object was found with a shipload of marble, coins, glassware, and pottery in Since all the other artifacts were more apparently worthy of conservation, the mechanism was ignored until After an additional two decades of study, the first publication on the Antikythera mechanism was made in by physicist and historian Derek de Solla Price.
These types of computers range from mechanical aids like a slide rule to a device that can predict the tides. The Antikythera mechanism, which was designed to calculate dates and predict astronomical phenomena, has therefore been called the earliest analog computer. His works survive almost entirely through later Greek and Roman authors. Hipparchus was one of the first thinkers to speculate that the Earth revolved around the Sun, but he could never prove it.
Hipparchus created the first trigonometric table in his attempts to solve problems related to spheres, and is therefore known as the father of trigonometry.
How astrophysics could transform the treatment of cystic fibrosis and other rare diseases
Terms and Conditions News Galactic ghosts: Gaia uncovers major event in the formation of the Milky Way 31 October ESA’s Gaia mission has made a major breakthrough in unravelling the formation history of the Milky Way. Instead of forming alone, our Galaxy merged with another large galaxy early in its life, around 10 billion years ago. The data indicate an exomoon the size of Neptune, in a stellar system light-years from Earth.
The new results are presented in the journal Science Advances.
Astrophysicist Karel Schrijver, a senior fellow at the Lockheed Martin Solar and Astrophysics Laboratory, and his wife, Iris Schrijver, professor of pathology at Stanford University, have joined.
Astronomy in India has a glorious past. There are documented evidences that Astronomy was studied in India from the Vedic times dating back to BC and then nurtured in the fifth and sixth century AD by the greats like Aryabhatta, Varahamihira, Brahmagupta that continued even when Europe was passing through the dark ages. The advent of telescopes shifted the leadership in Astronomy studies from Asia and Middle East to Europe.
The beginning of telescope aided astronomy can be ascribed to the commissioning of the Madras observatory by East India Company in Besides some noteworthy observations, a catalogue of positions of over 11, stars was completed using this observatory. Modern day astronomy in India flourished after it gained independence. An inspiring article by the Nobel laureate C.
Igor Dmitriyevich Novikov, Russian astronomer, astrophysicist, and cosmologist
By Josh Rottenberg Nov 21, 3: But then my mother took me to a lecture about the solar system when I was 8 and I got hooked. Theoretical astrophysicist Kip Thorne was a divorced, single dad raising a teenage daughter when he got a call in September from a close friend — who happened to be fellow scientist Carl Sagan. Advertisement Would Thorne be interested in going out with a woman he knew?
Though the shy Caltech professor was far more comfortable contemplating black holes and other imponderables than he was navigating the world of dating, he said yes.
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The person is subject to psychic conditions, consciously or unconsciously, therefore, my be influenced by surroundings and environment to his detriment. Many inexpressible moods and emotions will be felt, such as from trance, ecstasy and bliss to vague, semi-hysterical states. Subtle attraction and revulsion. Should exercise great discrimination in choice of friend, confidante or confrere. It is most helpful when the native directs the aspect to achieve great fame and success in an area ruled by Chiron or Uranus.
A person with this aspect has the ultimate in hypnotic charisma. Also obsessive or powerful and long lasting sexual desire lust and stamina. It helps the native to be noteworthy and or charismatic. If the native also has a Super Aspect formed by Chiron, then he or she can have a hypnotic or mesmerizing influence on most of us. This is also a female Romance Aspect where the native person born with the aspect , if female, has an unusually intense desire for marriage and children.
Such women often marry and have children when they are very young.
Richard A. Muller
Rupak Nath ” World’s No. Rupak Nath from Silchar, Assam, India. All Problem Solution, Spiritual Guru. He is the master of ashta siddhis, radiant light of Yoga knowledge, salvator for mortal beings on earth and capable of giving them the divine experiences, master of masters, immortal. His birth was predicted thousands of years ago in Nadi Grantha.
Feb 22, · Astrophysicist Erik Zackrisson from Uppsala University in Sweden arrived at this staggering figure — a 7 followed by 20 zeros — with the aid .
Because the elements used for dating need to be re-set by volcanism. Radioactive elements decay at a certain constant rate and this is the basis of radiometric dating. But, the decay elements need to be set, much like you would re-set a stop watch for a runner, to ensure an accurate measurement. When minerals get subducted into the Earth and come back as volcanic magmas or ash, this essential re-sets the radiometric clock back to zero and therefore a reliable age date is possible.
Sedimentary rocks may have radioactive elements in them, but they have been re-worked from other rocks, so essentially, there radiometric clock has not been re-set back to zero. However, sedimentary rocks can be age dated if a volcanic ash horizon or a diabase sill or dyke can be found within the sequence. For example, if you find a dinosaur bone in a sedimentary sequence and you find an ash layer 10 meter above the bone and another ash layer 20 meters below it, you can determine the age of the two ash layers.
Rumours are flying that a big gravitational wave announcement is imminent
Could not subscribe, try again laterInvalid Email Today’s Google doodle marks what would have been the th birthday of Indian American astrophysicist Subrahmanyan Chandrasekhar. Chandrasekhar, known as Chandra, won the Nobel Prize for Physics in for his theory on the evolution of stars. Chandrasekhar’s contributions to our understanding of stars and their evolution:
Spectroscopy-based radioactive stellar dating would benefit from improvements in the theoretical understanding of nucleosynthesis and chemical evolution. Its application to clusters can provide strong constraints for nucleosynthetic models.
January 20, The past 30 years has seen a revolution in astronomy and our understanding of the Universe. Then there is the Hubble Space Telescope in the visible part of the spectrum, arguably the greatest telescope in history. So an interesting question is: The future space missions identified in this document will have a profound influence on the future of astronomy but also on the way imaging technology develops in general. So what has NASA got up its sleeve?
To start off with, it says its goal in astrophysics is to answer three questions: How did we get here? And how does our universe work?