Dubbed as 2014 JO25, the space rock has one kilometer in diameter.Even though the massive rock is currently hurtling towards our planet—and is labeled as potentially hazardous by NASA—scientists expect it to pass by our planet safely this time.
NASA astronomers say that ‘2014 JO25’ has been designated as a potentially hazardous asteroid (PHA) by the Minor Planet Center. PHA’s are asteroids larger than 100meters that can come closer to Earth than 7,495,839km (about 4,658,000 miles), which is equal to 19.5 ‘Lunar distances’.Despite 2014 JO25’s designation as a PHA, projections predict it will pass by Earth at a safe distance of about 1.8 million km (4.57 lunar distances).As explained by NASA, 2014 JO25 was discovered by the Mt. LemmonSurvey in May 2014. This asteroid will approach within 4.6 lunar distances (0.0118 AU) on 2017 April 19 when it will be among the strongest asteroid radar targets of the year.
According to a NASA statement, theclose encounter set to occur on April 19 will be the closest the asteroid approaches Earth in 400 years, and there are not projected future encounters that are expectedto occur so close for at least 480 years.
However, astronomers warn that another fly-by is expected to occur in 2091 when the massive space rock will approach neighboring planets, Venus and Mercury.Scientists warn that two MASSIVE asteroids,with a diameter of around two kilometers, will approach Earth—‘2003 BD44’ and ‘1999 CU3’—but none of them as close as2014 JO25.
Recently, the US government has proposed a global initiative—called ‘National Near-Earth Object Preparedness Strategy’—to locate over 300,000 Earth-impact risk objects, and prepare for potential collisions that could create an unimaginable catastrophe on Earth.The report says that while a “civilization-ending” smash with space rocks over the next 200 years is unlikely, the risk of “smaller but still catastrophic NEO impacts is real.”“Current estimates of the NEO population predict that over 300,000 objects greater than 40 meters [131ft] in size could be an impact hazard to the Earth and have not yet been detected,” the strategy warns.One of the key goals underpinning the strategy is a desire to build “international support and policies for acknowledging and addressing the potential Earth impact of a NEO.”“Objectives include: coordinating the communication of detected impact threats within the US Government, as well as with other governments, media, and the public… and developing protocols for international interactions regarding NEO impacts outside of the US territory,” the document states.
Sunday 9 April 2017
Scientists say time travel is possible and THIS is how to do it
For countless centuries people have wondered whether or not timetravel is possible. As a result, countless books, studies, and movies have come to life exploring a completely unknown territory.
Throughout the years, as science and physics have advanced, experts have explored the idea of time travel like never before, most of them agreeing upon the conclusion that traveling in time to the past is not realistic, but traveling forward to the future could become a reality.
One of the first scientists on Earth to mention the idea of traveling in time was Albert Einstein who proposed that if one were to travel at the speed of light away from Earth, time would ‘literally slow down’ for the traveler, while people on Earth would continue to experience time at a normal rate.In addition to Einstein, many othershave spoken out about traveling in time.Brian Greene a theoretical physicistand string theorist from Columbia University, said: “You can build a spaceship, go out into space [and travel] near the speed of light, turn around and come back.“Imagine you go out for six months and you turn around and you come back for six months.”The theoretical physicist added: “When you step out of your ship, you’re one year older but Earth has gone through many, many years.“It can have gone through 10,000, 100,000 or a million years depending on how close to the speed of light you traveled.”But perhaps the most important comments regarding time travel come from world-renowned theoretical physicist Stephen Hawking who added to this theory, explaining the feasibility of it.Previously professor Hawking said:It would take six years at full power just to reach these speeds.“After the first two years, it would reach half-light speed and be far outside the solar system.”After another two years, it would be traveling at 90 percent of the speedof light.”“After another two years of full thrust, the ship would reach full speed, 98 percent of the speed of light, and each day on the ship would be a year on Earth.“At such speeds, a trip to the edge of the galaxy would take just 80 years for those on board.”Others agree with Greene and Hawking.Particle physicist Brian Cox has said that time travel is possible but only in one direction. “The central question is, can you build a time machine? The answer is yes, you can go into the future.” Cox explains that traveling in time is basically possible thanks to Albert Einstein’s general theory of relativity.If the traveler wanted to travel hundreds, or even thousands of years into the future, this could be accomplished if he or she was traveling at an incredibly fast pace, close to the speed of light.However, Cox warned that Coming back from the future or traveling to another point in the past is much less likely.
Throughout the years, as science and physics have advanced, experts have explored the idea of time travel like never before, most of them agreeing upon the conclusion that traveling in time to the past is not realistic, but traveling forward to the future could become a reality.
One of the first scientists on Earth to mention the idea of traveling in time was Albert Einstein who proposed that if one were to travel at the speed of light away from Earth, time would ‘literally slow down’ for the traveler, while people on Earth would continue to experience time at a normal rate.In addition to Einstein, many othershave spoken out about traveling in time.Brian Greene a theoretical physicistand string theorist from Columbia University, said: “You can build a spaceship, go out into space [and travel] near the speed of light, turn around and come back.“Imagine you go out for six months and you turn around and you come back for six months.”The theoretical physicist added: “When you step out of your ship, you’re one year older but Earth has gone through many, many years.“It can have gone through 10,000, 100,000 or a million years depending on how close to the speed of light you traveled.”But perhaps the most important comments regarding time travel come from world-renowned theoretical physicist Stephen Hawking who added to this theory, explaining the feasibility of it.Previously professor Hawking said:It would take six years at full power just to reach these speeds.“After the first two years, it would reach half-light speed and be far outside the solar system.”After another two years, it would be traveling at 90 percent of the speedof light.”“After another two years of full thrust, the ship would reach full speed, 98 percent of the speed of light, and each day on the ship would be a year on Earth.“At such speeds, a trip to the edge of the galaxy would take just 80 years for those on board.”Others agree with Greene and Hawking.Particle physicist Brian Cox has said that time travel is possible but only in one direction. “The central question is, can you build a time machine? The answer is yes, you can go into the future.” Cox explains that traveling in time is basically possible thanks to Albert Einstein’s general theory of relativity.If the traveler wanted to travel hundreds, or even thousands of years into the future, this could be accomplished if he or she was traveling at an incredibly fast pace, close to the speed of light.However, Cox warned that Coming back from the future or traveling to another point in the past is much less likely.
Wreckage from a mysterious, ancient planet spotted orbiting Mars
There are a bunch of asteroids orbiting the red planet commonly referred to as ‘Trojans’, and
now scientists say these mysterious objects may have belonged to an ancient world that was part
of our solar system.
According to a new analysis, the objects orbiting Mars are all made from the same composition
which indicates they fractured from a planet in the distant past, in what was a massive collision.
So far, scientists have discovered 9 Mars Trojans —the largest one of them measures 2km in diameter, while the remaining 8 span between 500 meters and 1.3 kilometers across. Trojan asteroids aren’t a new thing in our solar
system. In fact, astronomers say that these objects have been present since the beginning of
our solar system when planets, moons, comets, and asteroids were distributed in a totally
different way.
In fact, there are between 6,000 and 6,500 trojans in Jupiter’s and Neptune’s orbit. The red planet has nine of them, and the first one
discovered 35 years ago is called Eureka. This object is the largest of all nine trojans orbiting
Mars. To understand the Trojans orbiting Mars, an international group of astronomers used the Very
large Telescope in Chile in order to obtain detailed characteristics or Mars’ Trojan family.
Experts found that the asteroids circling Mars are ALL made of the same material since the
spectrum of sunlight they reflect is similar. Left: The paths traced by the known Martian Trojans around L4 or L5 (crosses) relative to
Mars (red disk) and the Sun (yellow disk). The dotted circle indicates the average Sun-Mars distance. Right: Enlargement of inset (dashed
rectangle) showing the paths of the 8 L5 Trojans: 1998 VF31 (marked as “VF31” – blue), Eureka (red) and the 6 objects identified as family
members (amber). The filled disks indicate the relative sizes of the asteroids. Eureka, the largest
member, is about 2 km across. Credit: Apostolos Christou.
However, scientists found curious details.
According to experts, each of the satellites has a mysterious composition compared to other
objects in our solar system. All of the objects are composed of olivine—a mineral that comes into
existence in larger materials as the are exposed
to extremely high pressure and temperatures.
Experts point out that “Many other families exist
in the Asteroid Belt between Mars and Jupiter, and even among Jupiter’s Trojans, but none are
made up of such olivine-dominated asteroids”. This is why scientists believe that the Trojans origin Mars were once part of a mini planets
mantle. Mini planets are believed to have developed a crust, a mantle, and core, but have been destroyed in the distant past due to cataclysmic collisions.
now scientists say these mysterious objects may have belonged to an ancient world that was part
of our solar system.
According to a new analysis, the objects orbiting Mars are all made from the same composition
which indicates they fractured from a planet in the distant past, in what was a massive collision.
So far, scientists have discovered 9 Mars Trojans —the largest one of them measures 2km in diameter, while the remaining 8 span between 500 meters and 1.3 kilometers across. Trojan asteroids aren’t a new thing in our solar
system. In fact, astronomers say that these objects have been present since the beginning of
our solar system when planets, moons, comets, and asteroids were distributed in a totally
different way.
In fact, there are between 6,000 and 6,500 trojans in Jupiter’s and Neptune’s orbit. The red planet has nine of them, and the first one
discovered 35 years ago is called Eureka. This object is the largest of all nine trojans orbiting
Mars. To understand the Trojans orbiting Mars, an international group of astronomers used the Very
large Telescope in Chile in order to obtain detailed characteristics or Mars’ Trojan family.
Experts found that the asteroids circling Mars are ALL made of the same material since the
spectrum of sunlight they reflect is similar. Left: The paths traced by the known Martian Trojans around L4 or L5 (crosses) relative to
Mars (red disk) and the Sun (yellow disk). The dotted circle indicates the average Sun-Mars distance. Right: Enlargement of inset (dashed
rectangle) showing the paths of the 8 L5 Trojans: 1998 VF31 (marked as “VF31” – blue), Eureka (red) and the 6 objects identified as family
members (amber). The filled disks indicate the relative sizes of the asteroids. Eureka, the largest
member, is about 2 km across. Credit: Apostolos Christou.
However, scientists found curious details.
According to experts, each of the satellites has a mysterious composition compared to other
objects in our solar system. All of the objects are composed of olivine—a mineral that comes into
existence in larger materials as the are exposed
to extremely high pressure and temperatures.
Experts point out that “Many other families exist
in the Asteroid Belt between Mars and Jupiter, and even among Jupiter’s Trojans, but none are
made up of such olivine-dominated asteroids”. This is why scientists believe that the Trojans origin Mars were once part of a mini planets
mantle. Mini planets are believed to have developed a crust, a mantle, and core, but have been destroyed in the distant past due to cataclysmic collisions.
CONFIRMED: New, mystery radio signals could be ‘extraterrestrial transmissions’
The discovery of a new set of radio signals confirms that these mysterious ‘Fast Radio Bursts
(FRBs) originate outside our planet and even our galaxy.
One of the greatest mysteries of the universe—for modern scietnists—are the so-called Fast Radio
Bursts. So far, no one has been able to successfully explain what or who in the Universe is transmitting short bursts of radio energy across
the cosmos?
Rare, mysterious radio waves have baffled astronomers since the first time they were detected a decade ago. While no one can say for
certain what these mysterious signals are, there are some who believe the mystery bursts may be
a sign of advanced alien civilizations trying to contact us.
Artist’s impression shows three bright red flashes depicting fast radio bursts far beyond the Milky
Way, appearing in the constellations Puppis and
Hydra. Now, a team of astrophysicists have confirmed
that the mysterious Fast Radio Bursts (FRBs), which are intense bursts of radio energy that last
a few milliseconds, originate outside our planet.
According to the official website of Swinburne University of Technology (Melbourne, Australia),
which led the study, the signals may even come from beyond our galaxy. FRBs are basically radio emissions that appear
temporary and totally randomly which makes them extremely hard to find, and even harder to
study. There are several theories as to what they might be Some suggest they originate as stars collide,
while others have ventured out saying that they may be messages from our cosmic neighbors.
Professor Matthew Bailes from the Swinburne University of Technology in Melbourne who
participated in the new research said: “Perhaps the most bizarre explanation for the FRBs is that
they were alien transmissions. ”
Manisha Caleb, an astrophysicist at the Australian National University (Canberra),
explained that “discovering where those bursts come from is the key to understanding what originates them. Only one of the FRBs has been linked to a specific galaxy.”
Using the Molonglo radio telescope, experts from the Australian National University have detected
three new FRBs. Precisely this telescope could help experts solve the mystery surrounding FRBs.
Because of the unique architecture of the Molonglo radio telescope, experts suggests it is an ideal tool to pinpoint FRBs thanks to its
gigantic focal length.
Dr. Chris Flynn from Swinburne University of Technology who also participated in the study
said: “Conventional single dish radio telescopes have difficulty establishing that transmissions
originate beyond the Earth’s atmosphere.” According to an article from Swinburne
University, the Molonglo telescope has a huge collecting area (18,000 square meters) and a
large field of view (eight square degrees on the sky), which makes it excellent for hunting for fast
radio bursts. Ms. Caleb’s project was to develop software to
sift through the 1000 TB of data produced each dayday. Her work paid off with the three new FRB
discoveries.
(FRBs) originate outside our planet and even our galaxy.
One of the greatest mysteries of the universe—for modern scietnists—are the so-called Fast Radio
Bursts. So far, no one has been able to successfully explain what or who in the Universe is transmitting short bursts of radio energy across
the cosmos?
Rare, mysterious radio waves have baffled astronomers since the first time they were detected a decade ago. While no one can say for
certain what these mysterious signals are, there are some who believe the mystery bursts may be
a sign of advanced alien civilizations trying to contact us.
Artist’s impression shows three bright red flashes depicting fast radio bursts far beyond the Milky
Way, appearing in the constellations Puppis and
Hydra. Now, a team of astrophysicists have confirmed
that the mysterious Fast Radio Bursts (FRBs), which are intense bursts of radio energy that last
a few milliseconds, originate outside our planet.
According to the official website of Swinburne University of Technology (Melbourne, Australia),
which led the study, the signals may even come from beyond our galaxy. FRBs are basically radio emissions that appear
temporary and totally randomly which makes them extremely hard to find, and even harder to
study. There are several theories as to what they might be Some suggest they originate as stars collide,
while others have ventured out saying that they may be messages from our cosmic neighbors.
Professor Matthew Bailes from the Swinburne University of Technology in Melbourne who
participated in the new research said: “Perhaps the most bizarre explanation for the FRBs is that
they were alien transmissions. ”
Manisha Caleb, an astrophysicist at the Australian National University (Canberra),
explained that “discovering where those bursts come from is the key to understanding what originates them. Only one of the FRBs has been linked to a specific galaxy.”
Using the Molonglo radio telescope, experts from the Australian National University have detected
three new FRBs. Precisely this telescope could help experts solve the mystery surrounding FRBs.
Because of the unique architecture of the Molonglo radio telescope, experts suggests it is an ideal tool to pinpoint FRBs thanks to its
gigantic focal length.
Dr. Chris Flynn from Swinburne University of Technology who also participated in the study
said: “Conventional single dish radio telescopes have difficulty establishing that transmissions
originate beyond the Earth’s atmosphere.” According to an article from Swinburne
University, the Molonglo telescope has a huge collecting area (18,000 square meters) and a
large field of view (eight square degrees on the sky), which makes it excellent for hunting for fast
radio bursts. Ms. Caleb’s project was to develop software to
sift through the 1000 TB of data produced each dayday. Her work paid off with the three new FRB
discoveries.
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