100 billion alien planets fill our galaxy
Our Milky Way galaxy is home to at least 100 billion alien planets, and possibly many more, a new study suggests.
"It’s a staggering number, if you think about it," lead author Jonathan Swift, of Caltech in Pasadena, said in a statement. "Basically there’s one of these planets per star."
Swift and his colleagues arrived at their estimate after studying a five-planet system called Kepler-32, which lies about 915 light-years from Earth. The five worlds were detected by NASA’s Kepler Space Telescope, which flags the tiny brightness dips caused when exoplanets cross their star’s face from the instrument’s perspective.
The Kepler-32 planets orbit an M dwarf, a type of star that is smaller and cooler than our sun. M dwarfs are the most common star in the Milky Way, accounting for about 75 percent of the galaxy’s 100 billion or so stars, researchers said.
Further, the five Kepler-32 worlds are similar in size to Earth and orbit quite close to their parent star, making them typical of the planets Kepler has spotted around other M dwarfs. So the Kepler-32 system should be representative of many of the galaxy’s planets, scientists said. [The Strangest Alien Planets (Gallery)]
"I usually try not to call things ’Rosetta stones,’ but this is as close to a Rosetta stone as anything I’ve seen," said co-author John Johnson, also of Caltech. "It’s like unlocking a language that we’re trying to understand — the language of planet formation."
Read the full article at: msn.com
Lost in space: The ’homeless planet’ found floating without a star to orbit
Japanese Man Auctions Off Planet Earth
Newfound ’Tatooine’ Alien Planet Bodes Well for E.T. Search
Latest News from our Front Page
Turkey's Erdogan threatened to flood Europe with migrants: Greek website
Turkish President Tayyip Erdogan threatened in November to flood Europe with migrants if European Union leaders did not offer him a better deal to help manage the Middle East refugee crisis, a Greek news website said on Monday.
Publishing what it said were minutes of a tense meeting last November, the euro2day.gr financial news website revealed deep mutual irritation and distrust ...
Will Denmark Be The First Islamic Nation In Europe?
Daily headlines prove that Europe is bursting at the seams with Islamists attempting to establish Sharia law and homegrown terror plots. France is ablaze with radicals, ISIS threatens they will send Spain back to the times of the Ottoman Empire, and Britain is much too concerned with appeasing Muslims that they are doing away with their own citizens’ free speech.
'Hamilton' musical: All American founders non-White, but evil King George. I hate musicals!
‘Hamilton’, Lin-Manuel Miranda’s musical about the life of Alexander Hamilton, one of America’s founding fathers, is being performed on Broadway.
You know it’s going to have political undertones, when you read that the first act is titled: “Immigrants : We get the job done!”
In addition to Alexander Hamilton, Miranda’s musical also casts Aaron Burr, George Washington, James Madison, John Laurens, Marquis Gilbert ...
Ted Nugent Posts "Anti-Semitic" Facebook Message About Gun Control
Rock musician Ted Nugent posted a message about “who is really behind gun control” on Facebook that the Anti-Defamation League slammed as "anti-Semitic".
More: ADL claims 26% of all world population is “anti-semitic”
The ADL and domestic spying: Roy Bullock case revisited
"Antisemitism on rise across Europe in worst times since the Nazis" says "expert" to the Guardian
In the post, Nugent shares a ...
Illegal immigrant is arrested over murder of American nanny in Austria after she took him in to stop him being deported - and is revealed to have raped underage girl
An illegal immigrant has been arrested over the murder of an American nanny who had given him shelter at her Vienna apartment.
The 24-year-old Gambian had been wanted by police since the death of Lauren Mann, 25, from Grand Junction, Colorado last month.
He was arrested on Thursday in Bern, Switzerland, at an asylum center there after his mobile phone use was ...
|More News » |