If Someone Is Attractive And Charming, You’re More Likely To Assume They’re Intelligent And Hard

“Somewhere, something incredible is waiting to be known”

- Carl Sagan

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FAMOUS AUTHORS

Classic Bookshelf: This site has put classic novels online, from Charles Dickens to Charlotte Bronte.

The Online Books Page: The University of Pennsylvania hosts this book search and database.

Project Gutenberg: This famous site has over 27,000 free books online.

Page by Page Books: Find books by Sir Arthur Conan Doyle and H.G. Wells, as well as speeches from George W. Bush on this site.

Classic Book Library: Genres here include historical fiction, history, science fiction, mystery, romance and children’s literature, but they’re all classics.

Classic Reader: Here you can read Shakespeare, young adult fiction and more.

Read Print: From George Orwell to Alexandre Dumas to George Eliot to Charles Darwin, this online library is stocked with the best classics.

Planet eBook: Download free classic literature titles here, from Dostoevsky to D.H. Lawrence to Joseph Conrad.

The Spectator Project: Montclair State University’s project features full-text, online versions of The Spectator and The Tatler.

Bibliomania: This site has more than 2,000 classic texts, plus study guides and reference books.

Online Library of Literature: Find full and unabridged texts of classic literature, including the Bronte sisters, Mark Twain and more.

Bartleby: Bartleby has much more than just the classics, but its collection of anthologies and other important novels made it famous.

Fiction.us: Fiction.us has a huge selection of novels, including works by Lewis Carroll, Willa Cather, Sherwood Anderson, Flaubert, George Eliot, F. Scott Fitzgerald and others.

Free Classic Literature: Find British authors like Shakespeare and Sir Arthur Conan Doyle, plus other authors like Jules Verne, Mark Twain, and more.

TEXTBOOKS

Textbook Revolution: Find biology, business, engineering, mathematics and world history textbooks here.

Wikibooks: From cookbooks to the computing department, find instructional and educational materials here.

KnowThis Free Online Textbooks: Get directed to stats textbooks and more.

Online Medical Textbooks: Find books about plastic surgery, anatomy and more here.

Online Science and Math Textbooks: Access biochemistry, chemistry, aeronautics, medical manuals and other textbooks here.

MIT Open Courseware Supplemental Resources: Find free videos, textbooks and more on the subjects of mechanical engineering, mathematics, chemistry and more.

Flat World Knowledge: This innovative site has created an open college textbooks platform that will launch in January 2009.

Free Business Textbooks: Find free books to go along with accounting, economics and other business classes.

Light and Matter: Here you can access open source physics textbooks.

eMedicine: This project from WebMD is continuously updated and has articles and references on surgery, pediatrics and more.

MATH AND SCIENCE

FullBooks.com: This site has “thousands of full-text free books,” including a large amount of scientific essays and books.

Free online textbooks, lecture notes, tutorials and videos on mathematics: NYU links to several free resources for math students.

Online Mathematics Texts: Here you can find online textbooks likeElementary Linear Algebra and Complex Variables.

Science and Engineering Books for free download: These books range in topics from nanotechnology to compressible flow.

FreeScience.info: Find over 1800 math, engineering and science books here.

Free Tech Books: Computer programmers and computer science enthusiasts can find helpful books here.

CHILDREN’S BOOKS

byGosh: Find free illustrated children’s books and stories here.

Munseys: Munseys has nearly 2,000 children’s titles, plus books about religion, biographies and more.

International Children’s Digital Library: Find award-winning books and search by categories like age group, make believe books, true books or picture books.

Lookybook: Access children’s picture books here.

PHILOSOPHY AND RELIGION

Bored.com: Bored.com has music ebooks, cooking ebooks, and over 150 philosophy titles and over 1,000 religion titles.

Ideology.us: Here you’ll find works by Rene Descartes, Sigmund Freud, Karl Marx, David Hume and others.

Free Books on Yoga, Religion and Philosophy: Recent uploads to this site include Practical Lessons in Yoga and Philosophy of Dreams.

The Sociology of Religion: Read this book by Max Weber, here.

Religion eBooks: Read books about the Bible, Christian books, and more.

PLAYS

ReadBookOnline.net: Here you can read plays by Chekhov, Thomas Hardy, Ben Jonson, Shakespeare, Edgar Allan Poe and others.

Plays: Read Pygmalion, Uncle Vanya or The Playboy of the Western World here.

The Complete Works of William Shakespeare: MIT has made available all of Shakespeare’s comedies, tragedies, and histories.

Plays Online: This site catalogs “all the plays [they] know about that are available in full text versions online for free.”

ProPlay: This site has children’s plays, comedies, dramas and musicals.

MODERN FICTION, FANTASY AND ROMANCE

Public Bookshelf: Find romance novels, mysteries and more.

The Internet Book Database of Fiction: This forum features fantasy and graphic novels, anime, J.K. Rowling and more.

Free Online Novels: Here you can find Christian novels, fantasy and graphic novels, adventure books, horror books and more.

Foxglove: This British site has free novels, satire and short stories.

Baen Free Library: Find books by Scott Gier, Keith Laumer and others.

The Road to Romance: This website has books by Patricia Cornwell and other romance novelists.

Get Free Ebooks: This site’s largest collection includes fiction books.

John T. Cullen: Read short stories from John T. Cullen here.

SF and Fantasy Books Online: Books here include Arabian Nights,Aesop’s Fables and more.

Free Novels Online and Free Online Cyber-Books: This list contains mostly fantasy books.

FOREIGN LANGUAGE

Project Laurens Jz Coster: Find Dutch literature here.

ATHENA Textes Francais: Search by author’s name, French books, or books written by other authors but translated into French.

Liber Liber: Download Italian books here. Browse by author, title, or subject.

Biblioteca romaneasca: Find Romanian books on this site.

Bibliolteca Virtual Miguel de Cervantes: Look up authors to find a catalog of their available works on this Spanish site.

KEIMENA: This page is entirely in Greek, but if you’re looking for modern Greek literature, this is the place to access books online.

Proyecto Cervantes: Texas A&M’s Proyecto Cervantes has cataloged Cervantes’ work online.

Corpus Scriptorum Latinorum: Access many Latin texts here.

Project Runeberg: Find Scandinavian literature online here.

Italian Women Writers: This site provides information about Italian women authors and features full-text titles too.

Biblioteca Valenciana: Register to use this database of Catalan and Valencian books.

Ketab Farsi: Access literature and publications in Farsi from this site.

Afghanistan Digital Library: Powered by NYU, the Afghanistan Digital Library has works published between 1870 and 1930.

CELT: CELT stands for “the Corpus of Electronic Texts” features important historical literature and documents.

Projekt Gutenberg-DE: This easy-to-use database of German language texts lets you search by genres and author.

HISTORY AND CULTURE

LibriVox: LibriVox has a good selection of historical fiction.

The Perseus Project: Tufts’ Perseus Digital Library features titles from Ancient Rome and Greece, published in English and original languages.

Access Genealogy: Find literature about Native American history, the Scotch-Irish immigration in the 19th and 20th centuries, and more.

Free History Books: This collection features U.S. history books, including works by Paul Jennings, Sarah Morgan Dawson, Josiah Quincy and others.

Most Popular History Books: Free titles include Seven Days and Seven Nights by Alexander Szegedy and Autobiography of a Female Slave by Martha G. Browne.

RARE BOOKS

Questia: Questia has 5,000 books available for free, including rare books and classics.

ARTS AND ENTERTAINMENT

Books-On-Line: This large collection includes movie scripts, newer works, cookbooks and more.

Chest of Books: This site has a wide range of free books, including gardening and cooking books, home improvement books, craft and hobby books, art books and more.

Free e-Books: Find titles related to beauty and fashion, games, health, drama and more.

2020ok: Categories here include art, graphic design, performing arts, ethnic and national, careers, business and a lot more.

Free Art Books: Find artist books and art books in PDF format here.

Free Web design books: OnlineComputerBooks.com directs you to free web design books.

Free Music Books: Find sheet music, lyrics and books about music here.

Free Fashion Books: Costume and fashion books are linked to the Google Books page.

MYSTERY

MysteryNet: Read free short mystery stories on this site.

TopMystery.com: Read books by Edgar Allan Poe, Sir Arthur Conan Doyle, GK Chesterton and other mystery writers here.

Mystery Books: Read books by Sue Grafton and others.

POETRY

The Literature Network: This site features forums, a copy of The King James Bible, and over 3,000 short stories and poems.

Poetry: This list includes “The Raven,” “O Captain! My Captain!” and “The Ballad of Bonnie and Clyde.”

Poem Hunter: Find free poems, lyrics and quotations on this site.

Famous Poetry Online: Read limericks, love poetry, and poems by Robert Browning, Emily Dickinson, John Donne, Lord Byron and others.

Google Poetry: Google Books has a large selection of poetry, fromThe Canterbury Tales to Beowulf to Walt Whitman.

QuotesandPoem.com: Read poems by Maya Angelou, William Blake, Sylvia Plath and more.

CompleteClassics.com: Rudyard Kipling, Allen Ginsberg and Alfred Lord Tennyson are all featured here.

PinkPoem.com: On this site, you can download free poetry ebooks.

MISC

Banned Books: Here you can follow links of banned books to their full text online.

World eBook Library: This monstrous collection includes classics, encyclopedias, children’s books and a lot more.

DailyLit: DailyLit has everything from Moby Dick to the recent phenomenon, Skinny Bitch.

A Celebration of Women Writers: The University of Pennsylvania’s page for women writers includes Newbery winners.

Free Online Novels: These novels are fully online and range from romance to religious fiction to historical fiction.

ManyBooks.net: Download mysteries and other books for your iPhone or eBook reader here.

Authorama: Books here are pulled from Google Books and more. You’ll find history books, novels and more.

Prize-winning books online: Use this directory to connect to full-text copies of Newbery winners, Nobel Prize winners and Pulitzer winners.

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Helix nebula

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The astro-fashion-loving Internet collectively gasped when ESA’s Hubble twitter account posted three gorgeous gowns, by Czech designer Jirina Tauchmanova with only credit “Photo: Vasek”, which google thinks is a Canadian tennis player. For four long days I couldn’t find anymore images, until, today! Which is why I’m sharing a belated #FashionFriday and #StarrySunday combo.

These gown were shown at Serbia Fashion Week back in December 2015 as Jirina Tauchmanova‘s Spring/Summer 2016 collection – I hope that means they will be available for purchase soon!

I think I recognize at least two of the images, NGC 602 & 30 Doradus, but I’m going to have to see these in person to be sure, yes, definitely, and probably try them on, too.

–Emily

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The Light Year: Part 3 of 3 (Part 1, Part 2) Episode 5: A Sky Full of Ghosts, Cosmos: A SpaceTime Odyssey

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Dirty thunderstorm

A dirty thunderstorm (also volcanic lightning, thunder volcano) is a weather phenomenon that is related to the production of lightning in a volcanic plume.

A study in the journal Science indicated that electrical charges are generated when rock fragments, ash, and ice particles in a volcanic plume collide and produce static charges, just as ice particles collide in regular thunderstorms.

Volcanic eruptions are sometimes accompanied by flashes of lightning. However, this lightning doesn’t descend from storm clouds in the sky. It is generated within the ash cloud spewing from the volcano, in a process called charge separation.

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Stellar Outburst Brings Water Snow Line Into View

ESO - European Southern Observatory logo. 13 July 2016

Artist’s impression of the water snowline around the young star V883 Orionis

The Atacama Large Millimeter/submillimeter Array (ALMA) has made the first ever resolved observation of a water snow line within a protoplanetary disc. This line marks where the temperature in the disc surrounding a young star drops sufficiently low for snow to form. A dramatic increase in the brightness of the young star V883 Orionis flash heated the inner portion of the disc, pushing the water snow line out to a far greater distance than is normal for a protostar, and making it possible to observe it for the first time. The results are published in the journal Nature on 14 July 2016.

ALMA image of the protoplanetary disc around V883 Orionis

Young stars are often surrounded by dense, rotating discs of gas and dust, known as protoplanetary discs, from which planets are born. The heat from a typical young solar-type star means that the water within a protoplanetary disc is gaseous up to distances of around 3 au from the star [1] — less than 3 times the average distance between the Earth and the Sun — or around 450 million kilometres [2]. Further out, due to the extremely low pressure, the water molecules transition directly from a gaseous state to form a patina of ice on dust grains and other particles. The region in the protoplanetary disc where water transitions between the gas and solid phases is known as the water snow line [3].

The star V883 Orionis in the constellation of Orion

But the star V883 Orionis is unusual. A dramatic increase in its brightness has pushed the water snow line out to a distance of around 40 au (about 6 billion kilometres or roughly the size of the orbit of the dwarf planet Pluto in our Solar System). This huge increase, combined with the resolution of ALMA at long baselines [4], has allowed a team led by Lucas Cieza (Millennium ALMA Disk Nucleus and Universidad Diego Portales, Santiago, Chile) to make the first ever resolved observations of a water snow line in a protoplanetary disc.

Shifting water snowline in V883 Orionis

The sudden brightening that V883 Orionis experienced is an example of what occurs when large amounts of material from the disc surrounding a young star fall onto its surface. V883 Orionis is only 30% more massive than the Sun, but thanks to the outburst it is experiencing, it is currently a staggering 400 times more luminous — and much hotter [5].

ALMA image of the protoplanetary disc around V883 Orionis (annotated)

Lead author Lucas Cieza explains: “The ALMA observations came as a surprise to us. Our observations were designed to look for disc fragmentation leading to planet formation. We saw none of that; instead, we found what looks like a ring at 40 au. This illustrates well the transformational power of ALMA, which delivers exciting results even if they are not the ones we were looking for.”

ALMA image of the protoplanetary disc around V883 Orionis

The bizarre idea of snow orbiting in space is fundamental to planet formation. The presence of water ice regulates the efficiency of the coagulation of dust grains — the first step in planet formation. Within the snow line, where water is vapourised, smaller, rocky planets like our own are believed to form. Outside the water snow line, the presence of water ice allows the rapid formation of cosmic snowballs, which eventually go on to form massive gaseous planets such as Jupiter.

Zooming on the protoplanetary disc around V883 Orionis

The discovery that these outbursts may blast the water snow line to about 10 times its typical radius is very significant for the development of good planetary formation models. Such outbursts are believed to be a stage in the evolution of most planetary systems, so this may be the first observation of a common occurrence. In that case, this observation from ALMA could contribute significantly to a better understanding of how planets throughout the Universe formed and evolved.

The protoplanetary disc around V883 Orionis (artist’s impression)

Notes: [1] 1 au, or one astronomical unit, is the mean distance between the Earth and the Sun, around 149.6 million kilometres.This unit is typically used to describe distances measured within the Solar System and planetary systems around other stars. [2] This line was between the orbits of Mars and Jupiter during the formation of the Solar System, hence the rocky planets Mercury, Venus, Earth and Mars formed within the line, and the gaseous planets Jupiter, Saturn, Uranus and Neptune formed outside. [3] The snow lines for other molecules, such as carbon monoxide and methane, have been observed previously with ALMA, at distances of greater than 30 au from the protostar within other protoplanetary discs. Water freezes at a relatively high temperature and this means that the water snow line is usually much too close to the protostar to observe directly. [4] Resolution is the ability to discern that objects are separate. To the human eye, several bright torches at a distance would seem like a single glowing spot, and only at closer quarters would each torch be distinguishable. The same principle applies to telescopes, and these new observations have exploited the exquisite resolution of ALMA in its long baseline modes. The resolution of ALMA at the distance of V883 Orionis is about 12 au — enough to resolve the water snow line at 40 au in this outbursting system, but not for a typical young star. [5] Stars like V883 Orionis are classed as FU Orionis stars, after the original star that was found to have this behaviour. The outbursts may last for hundreds of years. More information: This research was presented in a paper entitled “Imaging the water snow-line during a protostellar outburst”, by L. Cieza et al., to appear in Nature on 14 July 2016. The team is composed of Lucas A. Cieza (Millennium ALMA Disk Nucleus; Universidad Diego Portales, Santiago, Chile), Simon Casassus (Universidad de Chile, Santiago, Chile), John Tobin (Leiden Observatory, Leiden University, The Netherlands), Steven Bos (Leiden Observatory, Leiden University, The Netherlands), Jonathan P. Williams (University of Hawaii at Manoa, Honolulu, Hawai`i, USA), Sebastian Perez (Universidad de Chile, Santiago, Chile), Zhaohuan Zhu (Princeton University, Princeton, New Jersey, USA), Claudio Cáceres (Universidad Valparaiso, Valparaiso, Chile), Hector Canovas (Universidad Valparaiso, Valparaiso, Chile), Michael M. Dunham (Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts, USA), Antonio Hales (Joint ALMA Observatory, Santiago, Chile), Jose L. Prieto (Universidad Diego Portales, Santiago, Chile), David A. Principe (Universidad Diego Portales, Santiago, Chile), Matthias R. Schreiber (Universidad Valparaiso, Valparaiso, Chile), Dary Ruiz-Rodriguez (Australian National University, Mount Stromlo Observatory, Canberra, Australia) and Alice Zurlo (Universidad Diego Portales & Universidad de Chile, Santiago, Chile). The Atacama Large Millimeter/submillimeter Array (ALMA), an international astronomy facility, is a partnership of ESO, the U.S. National Science Foundation (NSF) and the National Institutes of Natural Sciences (NINS) of Japan in cooperation with the Republic of Chile. ALMA is funded by ESO on behalf of its Member States, by NSF in cooperation with the National Research Council of Canada (NRC) and the National Science Council of Taiwan (NSC) and by NINS in cooperation with the Academia Sinica (AS) in Taiwan and the Korea Astronomy and Space Science Institute (KASI). ALMA construction and operations are led by ESO on behalf of its Member States; by the National Radio Astronomy Observatory (NRAO), managed by Associated Universities, Inc. (AUI), on behalf of North America; and by the National Astronomical Observatory of Japan (NAOJ) on behalf of East Asia. The Joint ALMA Observatory (JAO) provides the unified leadership and management of the construction, commissioning and operation of ALMA. ESO is the foremost intergovernmental astronomy organisation in Europe and the world’s most productive ground-based astronomical observatory by far. It is supported by 16 countries: Austria, Belgium, Brazil, the Czech Republic, Denmark, France, Finland, Germany, Italy, the Netherlands, Poland, Portugal, Spain, Sweden, Switzerland and the United Kingdom, along with the host state of Chile. ESO carries out an ambitious programme focused on the design, construction and operation of powerful ground-based observing facilities enabling astronomers to make important scientific discoveries. ESO also plays a leading role in promoting and organising cooperation in astronomical research. ESO operates three unique world-class observing sites in Chile: La Silla, Paranal and Chajnantor. At Paranal, ESO operates the Very Large Telescope, the world’s most advanced visible-light astronomical observatory and two survey telescopes. VISTA works in the infrared and is the world’s largest survey telescope and the VLT Survey Telescope is the largest telescope designed to exclusively survey the skies in visible light. ESO is a major partner in ALMA, the largest astronomical project in existence. And on Cerro Armazones, close to Paranal, ESO is building the 39-metre European Extremely Large Telescope, the E-ELT, which will become “the world’s biggest eye on the sky”. Links: Research paper: http://www.eso.org/public/archives/releases/sciencepapers/eso1626/eso1626a.pdf Photos of ALMA: http://www.eso.org/public/images/archive/search/?adv=&subject_name=Atacama%20Large%20Millimeter/submillimeter%20Array For more information about ALMA, visit: https://www.eso.org/sci/facilities/alma.html Images, Text, Credits: ESO/Richard Hook/A. Angelich (NRAO/AUI/NSF)/ALMA (ESO/NAOJ/NRAO)/ALMA//L. Cieza/IAU and Sky & Telescope/Videos: ALMA (ESO/NAOJ/NRAO)/L. Cieza./ESO/Digitized Sky Survey 2/N. Risinger (skysurvey.org)/M. Kornmesser. Music: Johan B. Monell. Best regards, Orbiter.ch Full article

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Convergence II

Jaxson Pohlman Photography

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What is a "nebula"?

A nebula is a large cloud of dust and gas that are star-forming regions. They’re formed when a star dies and its outer layers expand, creating a colourful cloud of gas. In other cases, they’re formed when a star goes supernova (when a really big and bright star dies and explodes).

There are emission nebulae, reflection nebulae and dark nebulae. Emission nebulae are close enough to a star that the gas particles absorb the UV light, get excited and emit their own light. Reflection nebulae are when a nebulae isn’t close enough to a star to absorb it’s UV light so it just reflects it. Dark nebulae aren’t close enough to a star to either absorb it’s light nor reflect it. The only way a dark nebulae is visible is if there’s a star behind it that can act as a backdrop, illuminating the back of the nebulae.

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