| Why Are There So Many Telescopes in Hawaii? | ||||
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You might have realized that lots of ground-based telescopes are located in Hawaii...but why? It's not just for the beautiful sunsets.
Hosted by: Reid Reimers ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/ ---------- Dooblydoo thanks go to the following Patreon supporters—Kevin, Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/ Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://in... (more) |
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Why Are There So Many Telescopes in Hawaii?
The Kepler Mission - Finding the Next Earth Latest News!!!
Publicado el 30 ago. 2014
Follow me for new The Kepler Mission - Finding the Next Earth Latest News!!! videos Join astronomers in a race to find a planet that can sustain life. Amid all the space in the universe, is there another world like ours? Astronomers studying.
national geographic,national geographic 2014,national geographic documentary,documentary,documentary 2014,documentaries,documentaries 2014,bbc documentary,di. Join astronomers in a race.
This is a documentary about the greatest quest of all time - finding another planet like Earth. National Geographic: The Story of Earth HD Arctic Swell - .
national geographic,national geographic 2014,national geographic documentary,documentary,documentary 2014,documentaries,documentaries 2014,bbc documentary,di. Join astronomers in a race.
This is a documentary about the greatest quest of all time - finding another planet like Earth. National Geographic: The Story of Earth HD Arctic Swell - .
Citizen Scientists Discover Yellow Balls in Space - Science@NASA
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Exoplaneta VHS 1256b
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Animación artística del exoplaneta VHS 1256b con su estrella enana roja de fondo.
Crédito: Gabriel Pérez - SMM (IAC)
Más información: http://www.iac.es/divulgacion.php?op1=16&id=935
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The First Star-Within-A-Star
Publicado el 12 jun. 2014
SciShow Space shares the latest news from around the universe, including the first observation of a star-within-a-star, and the debut image from the newest telescope to be enlisted in the hunt for alien worlds.
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Sources:
http://www.eurekalert.org/pub_release...
http://en.wikipedia.org/wiki/Thorne--Żytkow_object
http://arxiv.org/abs/1406.0001
http://www.nature.com/news/bizarre-st...
http://www.eurekalert.org/pub_release...
http://www.eso.org/sci/facilities/dev...
http://www.gizmag.com/sphere-exoplane...
http://www.astronomy.com/news/2014/06...
----------
Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow
Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow
----------
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Thanks Tank Tumblr: http://thankstank.tumblr.com
Sources:
http://www.eurekalert.org/pub_release...
http://en.wikipedia.org/wiki/Thorne--Żytkow_object
http://arxiv.org/abs/1406.0001
http://www.nature.com/news/bizarre-st...
http://www.eurekalert.org/pub_release...
http://www.eso.org/sci/facilities/dev...
http://www.gizmag.com/sphere-exoplane...
http://www.astronomy.com/news/2014/06...
The Most Powerful Objects in the Universe
Publicado el 23 sept. 2012
All across the immense reaches of time and space, energy is being exchanged, transferred, released, in a great cosmic pinball game we call our universe.
How does energy stitch the cosmos together, and how do we fit within it? We now climb the power scales of the universe, from atoms, nearly frozen to stillness, to Earth's largest explosions. From stars, colliding, exploding, to distant realms so strange and violent they challenge our imaginations. Where will we find the most powerful objects in the universe?
Today, energy is very much on our minds as we search for ways to power our civilization and serve the needs of our citizens. But what is energy? Where does it come from? And where do we stand within the great power streams that shape time and space?
Energy comes from a Greek word for activity or working. In physics, it's simply the property or the state of anything in our universe that allows it to do work. Whether it's thermal, kinetic, electro-magnetic, chemical, or gravitational.
The 19th century German scientist Hermann von Helmholtz found that all forms of energy are equivalent, that one form can be transformed into any other. The laws of physics say that in a closed system - such as our universe - energy is conserved. It may be converted, concentrated, or dissipated, but it's never lost.
James Prescott Joule built an apparatus that demonstrated this principle. It had a weight that descended into water and caused a paddle to rotate. He showed that the gravitational energy lost by the weight is equivalent to heat gained by the water from friction with the paddle. That led to one of several basic energy yardsticks, called a joule. It's the amount needed to lift an apple weighing 100 grams one meter against the pull of Earth's gravity.
In case you were wondering, it takes about one hundred joules to send a tweet, so tweeted a tech from Twitter. The metabolism of an average sized person, going about their day, generates about 100 joules a second, or 100 watts, the equivalent of a 100-watt light bulb.
In vigorous exercise, the power output of the body goes up by a factor of ten, one order of magnitude, to around a thousand joules per second, or a thousand watts. In a series of leaps, by additional factors of ten, we can explore the full energy spectrum of the universe.
How does energy stitch the cosmos together, and how do we fit within it? We now climb the power scales of the universe, from atoms, nearly frozen to stillness, to Earth's largest explosions. From stars, colliding, exploding, to distant realms so strange and violent they challenge our imaginations. Where will we find the most powerful objects in the universe?
Today, energy is very much on our minds as we search for ways to power our civilization and serve the needs of our citizens. But what is energy? Where does it come from? And where do we stand within the great power streams that shape time and space?
Energy comes from a Greek word for activity or working. In physics, it's simply the property or the state of anything in our universe that allows it to do work. Whether it's thermal, kinetic, electro-magnetic, chemical, or gravitational.
The 19th century German scientist Hermann von Helmholtz found that all forms of energy are equivalent, that one form can be transformed into any other. The laws of physics say that in a closed system - such as our universe - energy is conserved. It may be converted, concentrated, or dissipated, but it's never lost.
James Prescott Joule built an apparatus that demonstrated this principle. It had a weight that descended into water and caused a paddle to rotate. He showed that the gravitational energy lost by the weight is equivalent to heat gained by the water from friction with the paddle. That led to one of several basic energy yardsticks, called a joule. It's the amount needed to lift an apple weighing 100 grams one meter against the pull of Earth's gravity.
In case you were wondering, it takes about one hundred joules to send a tweet, so tweeted a tech from Twitter. The metabolism of an average sized person, going about their day, generates about 100 joules a second, or 100 watts, the equivalent of a 100-watt light bulb.
In vigorous exercise, the power output of the body goes up by a factor of ten, one order of magnitude, to around a thousand joules per second, or a thousand watts. In a series of leaps, by additional factors of ten, we can explore the full energy spectrum of the universe.
Deeper than the Hubble Deep Field
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VLT Update 8 {31st of August 2011}: The Star That Should Not Exist
Press Release: http://www.eso.org/public/news/eso1132/
A team of European astronomers has used ESO's Very Large Telescope (VLT) to track down a star in the Milky Way that many thought was impossible. They discovered that this star is composed almost entirely of hydrogen and helium, with only remarkably small amounts of other chemical elements in it. This intriguing composition places it in the "forbidden zone" of a widely accepted theory of star formation, meaning that it should never have come into existence in the first place. The results will appear in the 1 September 2011 issue of the journal Nature.
Credit: ESO
Music:
Zero Project - High Hopes more
A team of European astronomers has used ESO's Very Large Telescope (VLT) to track down a star in the Milky Way that many thought was impossible. They discovered that this star is composed almost entirely of hydrogen and helium, with only remarkably small amounts of other chemical elements in it. This intriguing composition places it in the "forbidden zone" of a widely accepted theory of star formation, meaning that it should never have come into existence in the first place. The results will appear in the 1 September 2011 issue of the journal Nature.
Credit: ESO
Music:
Zero Project - High Hopes more
VLT Update 6 {23rd of June 2011}: The Flames of Betelgeuse
Press Release: http://bit.ly/iIc8NQ
Using the VISIR instrument on ESO's Very Large Telescope (VLT), astronomers have imaged a complex and bright nebula around the supergiant star Betelgeuse in greater detail than ever before. This structure, which resembles flames emanating from the star, is formed as the behemoth sheds its material into space.
Credit: ESA more
Using the VISIR instrument on ESO's Very Large Telescope (VLT), astronomers have imaged a complex and bright nebula around the supergiant star Betelgeuse in greater detail than ever before. This structure, which resembles flames emanating from the star, is formed as the behemoth sheds its material into space.
Credit: ESA more
Most Distant Quasar Discovered {29th of June 2011}
Apologies for the delay, technical issues. Press Release: http://bit.ly/klcXvx
A team of European astronomers has used ESO's Very Large Telescope and a host of other telescopes to discover and study the most distant quasar found to date, ULAS J1120+0641. This brilliant beacon, powered by a black hole with a mass two billion times that of the Sun, is by far the brightest object yet discovered in the early Universe. The results will appear in the 30 June 2011 issue of the journal Nature.
Credit: ESA/NASA
Music: Intro: How To Train Your Dragon OST - "Forbidden Friendship"
Audiomachine - City Life more
A team of European astronomers has used ESO's Very Large Telescope and a host of other telescopes to discover and study the most distant quasar found to date, ULAS J1120+0641. This brilliant beacon, powered by a black hole with a mass two billion times that of the Sun, is by far the brightest object yet discovered in the early Universe. The results will appear in the 30 June 2011 issue of the journal Nature.
Credit: ESA/NASA
Music: Intro: How To Train Your Dragon OST - "Forbidden Friendship"
Audiomachine - City Life more
Big New ExoPlanet Haul
From EsoCast in 1080p, comes the announcement of a rash of new planet discoveries. Astronomers using ESO's leading exoplanet hunter HARPS have today announced more than fifty newly discovered planets around other stars. Among these are many rocky planets not much heavier than the Earth. One of them in particular orbits within the habitable zone around its star.
Among the new planets just announced by scientists, sixteen are super-Earths - rocky planets up to ten times as massive as Earth. This is the largest number of such planets ever announced at one time.
A planet in orbit causes its star to regularly move backwards and forwards as seen from Earth. This creates a tiny shift of the star's spectrum that can be measured with an extremely sensitive spectrograph such as HARPS.
In their quest to find a rocky planet that could harbor life, astronomers are now pushing HARPS even further. They have selected ten well-studied nearby stars similar to our Sun. Earlier observations... more
Among the new planets just announced by scientists, sixteen are super-Earths - rocky planets up to ten times as massive as Earth. This is the largest number of such planets ever announced at one time.
A planet in orbit causes its star to regularly move backwards and forwards as seen from Earth. This creates a tiny shift of the star's spectrum that can be measured with an extremely sensitive spectrograph such as HARPS.
In their quest to find a rocky planet that could harbor life, astronomers are now pushing HARPS even further. They have selected ten well-studied nearby stars similar to our Sun. Earlier observations... more
National Geographic Live! - Exploring the Edge of Existence
Nobel Laureate John Mather and Nat Geo Explorer-in-Residence Robert Ballard discuss how technology expands the limits of the known universe. more
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