•   
  •   

Tech & Science Three baby planets detected around a faraway star for the very first time

05:32  14 june  2018
05:32  14 june  2018 Source:   abc.net.au

Teigan McKinnon shows off her baby bump

  Teigan McKinnon shows off her baby bump Teigan Mckinnon, who will soon welcome her first child with former NRL star husband Alex, has shared a darling glimpse at her growing baby bump. Taking to Instagram, the new-mummy-to-be posted a boomerang video of herself in a coordinating sports bra and undies set with her belly on display. She captioned the upload: "Hello there Mr Belly Button

They orbit a star 330 light years away and they're already as big as Jupiter — but these planets are just getting started.

Three baby planets found around a faraway star for the very first time . The other two new baby planets also have very distant orbits, about three and five times larger than Neptune’s. “These new methods to detect planets while they are still forming means it’s just the beginning of proto- planet

A computer simulation shows the spiral pattern generated by the newborn planet.© Provided by ABC News A computer simulation shows the spiral pattern generated by the newborn planet.

One of the world's biggest radio telescopes has detected the first ever newborn planets, still enveloped in the swirling disc of gas and dust that made them.

Up until now, scientists have only been able to observe these "protoplanetary discs" by themselves, and then actual planets after the disc has disappeared, said astrophysicist Christophe Pinte from Monash University.

These discoveries, by contrast, are still emerging from the disc around a very young star.

Dr Pinte is the lead author of one of two papers describing the discoveries, published today in the Astrophysical Letters.

Earth-Sized Rocky Exoplanets, Super-Earths Discovered

  Earth-Sized Rocky Exoplanets, Super-Earths Discovered The distant exoplanets were identified in the data gathered by the K2 mission of NASA’s Kepler satellite. Essentially, due to their orbits, the planets kept blocking the light from their respective stars from time to time, creating transits which allowed the team to see the bodies for the first time.Once the planetary systems were spotted, follow up investigation from Gran Telescopio Canarias (GTC) located at the Roque de los Muchachos Observatory in Spain revealed their basic features.

This is the absolute first time ever that astronomers managed to capture a snapshot of a baby planet being born “These disks around young stars are the birthplaces of planets , but so far only a handful of observations have detected But although it’s so far away from the orange dwarf star , PDS 70b

Any planet is an extremely faint light source compared to its parent star . For example, a star like the Sun is about a billion times as bright as the reflected light from any of the planets orbiting it.

The three planets are all very large — in the ballpark of infant, alien Jupiters.

"It's already quite massive, roughly twice the mass of Jupiter, and it can probably grow a little bit more," Dr Pinte said of the world discovered by his team.

The whole system is also extremely young — and that is what makes it exciting, explained Dr Pinte.

Khloé Kardashian marks True Thompson's two month milestone with her cutest picture ever

  Khloé Kardashian marks True Thompson's two month milestone with her cutest picture ever Khloé Kardashian daughter True Thompson just turned two months old and to celebrate the Keeping Up with the Kardashians' star posted an adorable photo.To celebrate the cute occasion mama Koko shared a photo of her adorable baby girl at bath time and...

Three exoplanets are in the process of being born around a young star that's not too far from the sun, two new studies report. That star is the [See: 2 Newborn Planets May Be Forming Around a Distant Young Star ]. The two new studies provide strong evidence for the existence of those two presumed

Astronomers have measured the mass of a very young alien planet for the first time , thanks to more than two decades' worth of data collected by two Because this star is still very young, it demonstrates how planets form and evolve. 3 Baby Alien Planets Detected Around Newborn Star .

"There have been lots of discoveries of planets around old stars, but this system is only 4 million years old and it's still in the process of formation."

For comparison: our solar system has been spinning for 4.5 billion years.

It is very, very early days for this alien system and its firstborn planet, which is some 330 light years away from Earth and was discovered in data collected by the Atacama Large Millimetre/submillimetre Array (ALMA) in Chile.

'Kink' in disc reveals proto-planet

Planets form in the disc of dirt and gas that spins around a new star.

Dr Pinte and his colleagues stumbled upon the new baby planet while trying to understand the disc structure around a young star called "HD163296".

While examining how carbon monoxide gas (CO) was flowing around the star, they noticed a "kink" in its otherwise smooth trajectory.

"We found that the disc deviation corresponded exactly to what a computer simulation of a planet in a disc predicted," Dr Pinte said.

A pit bull saved a baby's life by dragging her out of a burning house by her diaper

  A pit bull saved a baby's life by dragging her out of a burning house by her diaper Sasha the pit bull was able to save her entire family from a fire by waking them up in the middle of the night. - The family attributes this to their heroic pit bull Sasha, who woke them up, alerting them to the fire.

All of the planets observed in this star system have a mass close to that of Jupiter, Sallum said. The young, sunlike star is surrounded by a huge field of gas and dust, with the possible planets forming in a gap that is the size of our solar In that time , they used a technique called hydrogen-alpha detection .

For the first time we have confirmed the presence of partially formed planets within a protoplanetary disk, but at surprising distances. The star HD 163296 and its surrounding protoplanetary disk. The gaps in the disk were suspected of hosting planets , but only now has this been confirmed.

"We're pretty confident that this is the only explanation for what we are seeing in the disc."

Jonti Horner, an astrophysicist at the University of Southern Queensland who was not involved in the study, said the planet was an exciting discovery. He likened it to seeing a human baby kick inside the womb.

"We're talking about a baby planet that is revealed from how it is stirring and perturbing the very material from which it is being born," Professor Horner said.

New clues and mysteries about planet formation

The baby planet is further from its star than any other planet yet discovered, Dr Pinte said.

"Nobody was expecting to find such a massive planet so far from the star. There's not much material to form a planet out there."

At eight times the distance between Neptune and the Sun, the planet's orbit is not really comparable to anything in our solar system, he added.

"But it can be useful to understand if our solar system is typical, or if it's an exception."

The other two new baby planets also have very distant orbits, spinning at about three and five time Neptune's distance from the Sun.

Radio jet blasts seen as supermassive black hole rips star apart over 10 years

  Radio jet blasts seen as supermassive black hole rips star apart over 10 years For the first time, astronomers capture images of a jet of radio waves blasted into space when a supermassive black hole ripped apart a star that came too close.Over the course of a decade, the international team of scientists watched the violent event unfold at the centre of a faraway galaxy.

This is the first time Spitzer found a planet using microlensing, but it comes after 22 previous attempts with OGLE and other telescopes on the ground. So far , microlensing has helped astronomers find 30 planets at distances as far as 25,000 3 Baby Alien Planets Detected Around Newborn Star .

Giant stars have pulsations that can mimic the presence of planets . The planet is very massive and has a This is one of only three planets known to orbit around a stellar binary; one of the stars in the binary Helium has been detected for the first time in the atmosphere of an exoplanet by scientists

Richard Teague from the University of Michigan, lead author of the second paper, said the discoveries were possible because ALMA can stare at a system where gas rotates at about 5 km per second, and detect velocity changes as small as a few metres per second.

"This allows us to find very small deviations from the expected normal rotation in a disk," Dr Teague said in a statement.

Baby planet boom imminent

Professor Horner said the novelty of these discoveries can shine a new light on our own solar system.

"Results like this reveal that the diversity of planets is far greater than we ever would have imagined," he said.

HD163296 is approximately 4 million years old, 330 light years away from our Sun and already twice its size.

"It's a tantalising clue that massive stars do form massive planets," he said.

"It might be a common theme among exoplanets that more massive stars can have more distant, more massive planets."

ALMA, the telescope that made it all possible, is a network of 66 interconnected radio dishes built high in the Atacama Desert, where the air is frigid and dry.

It has a crystal-clear view of the heavens and a level of precision that only comes from combining multiple instruments.

"It's only possible to [detect] it with high-resolution observations, and with a lot of antennas which have only been available in the last few years," Dr Pinte said.

"These new methods to detect planets while they are still forming means it's just the beginning of proto-planet discovery.

Professor Horner said the study was a lovely example of how modelling and observation can go hand-in-hand to explain the previously unexplained.

"There's still so much to learn — and that's why results like this are so exciting. They open our eyes to the full variety of what is out there."

Illicit tobacco smuggling ring 'dismantled' after six charged .
Australian Border Force believes it has dismantled a large operation smuggling tobacco through Melbourne Airport.Ninety-four passengers were detected with illicit tobacco and were deported from Australia between June 2017 and last month, as part of the operation.

—   Share news in the SOC. Networks

Topical videos:

This is interesting!