Found! First Earth-Size Planet That Could Potentially Support Life
Astronomers have discovered a planet about the size of Earth,
orbiting its star in the zone where oceans of liquid water would be possible.
A study of the newly-found planet indicates it could have an Earth-like atmosphere and water at its surface. The planet Kepler-186f is the fifth planet of the star Kepler-186, 490 light-years away.
The planet has 1.11 times the Earth’s mass. Its radius is 1.1 times that of Earth. Kepler-186f orbits at 32.5 million miles (52.4 million kilometers) from its parent star. Its year is 130 Earth days.
The planet orbits Kepler-186, an M-type dwarf star less than half as massive as the sun. Because the star is cooler than the sun, the planet receives solar energy less intense than that received by Mars in our solar system, despite the fact that Kepler-186f orbits much closer to its star.
I can’t put into words how much I love infographics.
A diver swimming between two tectonic plates - Iceland
Haven’t posted a good atheist video in a while, but in 11 minutes, Sam covers a few things that I would say are most important and influential towards my reasons for non-belief.
Sam Harris destroys catholicism
Kepler-186 and the Solar System
This diagram compares the planets of our inner solar system to Kepler-186, a five-planet star system about 500 light-years from Earth in the constellation Cygnus. The five planets of Kepler-186 orbit an M dwarf, a star that is half the size and mass of the sun.
The Kepler-186 system is home to Kepler-186f, the first validated Earth-size planet orbiting a distant star in the habitable zone-a range of distance from a star where liquid water might pool on the planet’s surface. The discovery of Kepler-186f confirms that Earth-size planets exist in the habitable zones of other stars and signals a significant step toward finding a world similar to Earth.
The size of Kepler-186f is known to be less ten percent larger than Earth, but its mass and composition are not known. Kepler-186f orbits its star once every 130 days, receiving one-third the heat energy that Earth does from the sun. This places the planet near the outer edge of the habitable zone.
The inner four companion planets each measure less than fifty percent the size of Earth. Kepler-186b, Kepler-186c, Kepler-186d and Kepler-186, orbit every 4, 7, 13 and 22 days, respectively, making them very hot and inhospitable for life as we know it.
The Kepler space telescope infers the existence of a planet by the amount of starlight blocked when it passes in front of its star. From these data, a planet’s radius, orbital period and the amount of energy recieved from the host star can be determined.
The artistic concept of Kepler-186f is the result of scientists and artists collaborating to imagine the appearance of these distant worlds.
NASA Ames manages Kepler’s ground system development, mission operations and science data analysis. NASA’s Jet Propulsion Laboratory in Pasadena, Calif., managed Kepler mission development. Ball Aerospace & Technologies Corp. in Boulder, Colo., developed the Kepler flight system and supports mission operations with JPL at the Laboratory for Atmospheric and Space Physics at the University of Colorado in Boulder. The Space Telescope Science Institute in Baltimore archives, hosts and distributes the Kepler science data. Kepler is NASA’s 10th Discovery Mission and is funded by NASA’s Science Mission Directorate at the agency’s headquarters in Washington.
More information about the Kepler mission is at http://www.nasa.gov/kepler.
"Houston, we’ve had a problem."
On this day in 1970, Apollo 13 safely returned to Earth after disaster struck the mission.
About 56 hours after launching, an oxygen tank exploded in the command module and critically damaged it. This not only canceled the planned moon landing, it threatened the lives of the astronauts. They evacuated into the lunar module, which was not equipped to be used as a lifeboat. The LM was designed for 45 hours of use, but the crew would require about 90.
Desperate times called for desperate measures, and the crew had to improvise the module’s CO2 removal system. To conserve water, the crew only took in about a fifth of what they needed; about 6 ounces per day. The inadequate batteries were preserved by shutting off all non-essential functions on the LM, including heat.
On top of everything else, the crew had to correct their trajectory from a lunar landing to a free-return course, which the LM was not designed to do. Commander James Lovell used the position of the sun to aid in his calculations and fired the LM’s burners to successfully alter their course.
After days of being cold, exhausted, and dehydrated, the crew safely splashed down in the Pacific Ocean.
April 17, 1970 — The astronauts of Apollo 13 make it home, safe and sound.
Published April 17th, 2014
NASA’s Kepler Space Telescope has discovered the first validated Earth-size planet orbiting in the habitable zone of a distant star, an area where liquid water might exist on its surface.
The planet, Kepler-186f, is ten percent larger in size than Earth and orbits its parent star, Kepler-186, every 130 days. The star, located about 500 light-years from Earth, is classified as an M1 dwarf and is half the size and mass of our sun.
A spectacular new fossil find is overturning ideas about the evolution of sharks.
Stars are colossal fusion reactors, burning hydrogen into helium. As the nuclei fuse lighter elements into heavier elements, massive amounts of energy are released. A new game sets you the task of nucleosynthesis, building hydrogen into iron, and it’s surprisingly fun.
"The game is a stellar variant of 2048, where you fuse elements together along the reaction pathways that power stars." (Read: you’ll never get another thing done)
Play it here: http://newbrict.github.io/Fe26/
The Contortionist - Exoplanet (Full Album)
In honor of our new celestial friend, Kepler-186f, located 500 light years away from Earth.
Since its launch in the spring of 2009, NASA’s Kepler Space Telescope has been hunting exoplanets. The holy grail being a planet that is essentially like ours in terms of size, composition, and habitability: an Earth-twin. While we still haven’t found a planet that exactly fits that bill, Kepler has now confirmed the discovery of an Earth-sized exoplanet in its star’s habitable zone. The announcement was made at a press conference and the findings have been published in Science.
Kepler-186f is about 40% larger than Earth and orbits an M dwarf star around 500 light-years away in the constellation Cygnus. The star is about half of the size and mass of our sun, and it takes Kepler-186f about 130 Earth days to complete a revolution. On the outer edge of the star’s habitable zone, the planet receives about a third of the radiation from its parent star as we do from ours.
Life as we know it requires the presence of liquid water, so a planet with the potential for life would be not too close to the star (which would be too hot and the water would be vapor) yet not too far away (where it would be too cold and the water would be ice). Habitability requires a “Goldilocks Zone” where conditions are just right.
"We know of just one planet where life exists — Earth. When we search for life outside our solar system we focus on finding planets with characteristics that mimic that of Earth," said Elisa Quintana, lead author of the paper. "Finding a habitable zone planet comparable to Earth in size is a major step forward."
Co-author Thomas Barclay added: “Being in the habitable zone does not mean we know this planet is habitable. The temperature on the planet is strongly dependent on what kind of atmosphere the planet has. Kepler-186f can be thought of as an Earth-cousin rather than an Earth-twin. It has many properties that resemble Earth.”
Determining the composition of planets out in the habitable zone isn’t as easy as those who are incredibly close to the star, because there isn’t as much radiation from the parent star available to determine what is or isn’t getting absorbed. While previous findings have indicated that Kepler-186f is a rocky planet, further analysis must be done before any definitive conclusions can be made.
Warning: Game of Thrones spoilers ahead.
Looks like even Jack Gleeson — the actor who played Joffrey Baratheon on Game of Thrones — is happy his character died.
The terrible boy-king kicked the bucket on Sunday’s episode, poisoned by pie and/or wine, but fans (and most of the other characters) weren’t the least bit concerned. After all, we hated Joffrey as much as Joffrey loved Joffrey.
But an Instagram picture posted by Gleeson’s friend on Tuesday proves that the actor was a-okay with his unexpected passing.
It also proves that he’s good at photobombing, thumbs-up signs and bleeding from the eyes.
Gleeson, now 21, plans to retire from acting now that his reign on the Iron Throne has finished, he tells Entertainment Weekly.
I’m one of those that just doesn’t get “art”….
The painting, titled “Onement VI,” was illustrated by Barnett Newman, an abstract expressionist painter. Newman’s work was sold for a whopping $43.8 million, to be exact, at a Sotheby’s auction.
“Newman overwhelms and seduces the viewer…
Your Daily FML….This one has upset a few people. For good reason? lol