Cosmic Journeys - Glimpsing the Solar System's Birth

Cosmic Journeys – Glimpsing the Solar System's Birth



our galaxy is parked with star-forming regions they are dominated by powerful stellar winds harsh radiation and swirling dust clouds here gravity the great cosmic sculptor crafts new stars and within their fold solar systems from these chaotic regions clusters of stellar siblings move up from their galactic nurseries these young star clusters form moving groups bound together by gravity that wander the plane of our galaxy since the late 1990s astronomers have been probing these moving groups for evidence of planets they may yield clues to the origins and early days of our own solar system using the precision technologies of the European Southern Observatory in the mountains of Chile astronomers finally found what they were looking for they peered into one of the most famous of all moving groups m67 also known as the king cobra star cluster kingcobra lies about 2,500 light-years away in the constellation of cancer the crab it contains about 500 stars they are all about the same age and composition as the Sun the astronomers monitored 88 selected stars in the cluster over a period of six years in an effort to detect subtle wobbling motions caused by the gravitational tugging of planets they found three each of these planets is what's known as a hot Jupiter giant gas planets that orbit perilously close to their parent stars one of these stars is almost identical to our son in fact our son was once thought to originate in king cobra it would have been Earl doubt during a gravitational encounter with one or more other sets recent analysis shows that to reach its present position the sun's exit would have been so violent that its planets or a planet forming disk would have been stripped away now five billion years after its birth all obvious traces of our son's birth have been obscured by the slow evolution of our galaxy but there is another moving group nearby that astronomers are watching closely for clues to the sun's early days the beta Pictoris group has the distinction of harboring the first extrasolar planet detected without a parent star called PSO j-3 18.5 – 22 it's six times the mass of Jupiter and a mere 12 million years old was this newborn planet shown here in an artist's drawing hurled out of its solar system by another larger planet or did it somehow form by itself and how many others like it are roaming the backroads of the galaxy the 28 stars of the beta Pictoris group are centered about 115 light-years from Earth they are all young at 10 to 30 million years old most are so dim they are not visible to the naked eye there is one star that is beta Pictoris is nearly double the mass of the Sun and almost nine times as luminous it emits a torrent of infrared light a sign that it is enshrouded by large quantities of dust and gas beta Pictoris as the first circumstellar disk ever imaged around another star the disk is filled with comets dust and orange of tiny objects called planetesimals this debris disk is presumed to be the source of a stream of particles heading toward us from the direction of beta Pictoris astronomers suspect that it may be a dominant source of interstellar meteoroids in our own solar system these tiny objects were like they thrown out beyond the disk by the movements of larger planet sized objects in fact by blocking the bright light of the star astronomers were able to spot one large planet within the innermost region of the disk five years later the planet was gone then it reappeared as it moved to the other side this planet between four and eleven times the mass of Jupiter orbits and about the distance of Saturn to the Sun beta Pictoris B is having a powerful effect on the circumstellar disk with its immense gravity it is sweeping up large volumes of gas and dust master scientists sought to simulate the planets role in the evolution of the disk and to explain its odd contours when we view beta Victorious a longer wavelengths people claim that there's a warp in the center of the disk at shorter wavelengths it looks more like an X and we haven't really understood until now how those patterns were related our simulation is the first model that can capture the 3d structure of the disk as well as the collisions that are occurring between the planetesimals in the disk so if we look at our simulation results edge on the same way that we see the real beta Pictoris disk then we see this warp structure that's created because the planet is orbiting tilted with respect to the disk if we look at our simulation results face on which is a way we can't see the real disk then these face on simulation shows this spiral density structure of the planetesimals and this spiral is created because the planets on an eccentric orbit it's not a perfect circle it's an ellipse when the spiral created by the eccentricity of the planet intersects with that vertical wave from the inclination of the planet the collisions are enhanced in some places and damped out in others which creates this clumpy collision structure if you look at our model in cross-section you can see the crests and troughs of the wave where the collisions are enhanced like an ocean wave in front of the wave it's calm but then the crest comes along and lifts the plant ezel's out of the plane and then there's a trough and then the wave starts wrapping around tighter and tighter and then it's almost like foam on the back side of the wave the plant ezel's get all stirred up and start colliding to one another and breaking into dust we've learned so much about beta Pictoris over the years but all the little pieces of evidence didn't seem to fit together before this model tied together in a nice neat package the story of beta Pictoris and its planet the action of the planet hints at a larger dynamism of the debris disc as far back as the 1980s astronomers studying the Starlight of beta Pictoris saw motions they couldn't readily explain because these motions came and went over hours and days the astronomers speculated that they were caused by star light shining through palms of gas thrown off by icy bodies that were diving through a debris disc recently the same team used planet-finding technologies if the European Southern Observatory to study these comets they found that the orbits of these comets are remarkably close to the star an intriguing snapshot of the chaotic early days of our own solar system the story of these comets doesn't end there working with the Alma telescope array in Chile another group looked at chemical variations in the disk they detected a belt of carbon monoxide gas about three times the distance of Neptune to the Sun it amounts to 200 million billion tons equivalent to about 1/6 the mass of Earth's oceans the cloud is a puzzle because incoming ultraviolet light should be clearing it out by breaking up the carbon monoxide molecules at a much faster rate that means the gas is being continually resupplied most likely by the breakup of icy comets this is happening at a rate equivalent to the total destruction of a large comet every 5 minutes so what's causing all this havoc the source is likely waves of collisions linked to huge comet swarms the comets would have been shepherded together by an as yet undetected second planet whose gravity can finds them into a small region this second planet should weigh in at no less than the mass of our Saturn based on the contours of the larger debris disc astronomers suspect there's a third large planet ten times the size of Jupiter further out as well as a host of planetary embryos as large as Pluto on the fringes of the disk in time beta Pictoris like our Sun may well detach from its siblings and the moving group in which it was born much of the loose gas and dust with its disk like that of our Sun will gradually be swept up by planets of different sizes and orbits will any of them be earth-like because the star is much hotter than our Sun the orbit of this earth like planet would have to be around three times larger than that of Earth at about the location of our main asteroid belt with an orbital period almost four earth ears present methods are not able to detect to Planet this small if and when our technology allows us to push in this close it may yield remarkable clues to the early days of our own planet how quickly did it cool when did an atmosphere develop what was its chemical composition how early could life have developed in a sense when we peer into this Restless new solar system we enter a time warp one that takes us back to our own deepest roots you

About the author

Comments

  1. the narrator has the perfect voice.
    Also the calming bg music compliments the imagery and his voice
    Love the narration.

  2. Planets do not form by gravitationally attracting particles. When those supposed clumps of material get to a certain size and collide with another clump of similar size, the velocity indirectly causes the two clumps to SHATTER, not clump together. How quickly did Earth cool? Wrong question. How quickly did it heat up? Halos.com. YouTube: Stretching The Heavens A New Cosmology.

  3. So-called "Star formation:" Think about it, if u see a spot getting brighter, it's not necessarily a new star forming. It could just be dust moving out of the way of a star that is already there! DUH! Besides, haven't u learned about Boyle's gas laws? When gas is compressed, it heats up & drives itself apart. It takes enormous pressure 2 keep gas compressed. Cold gas in space would also heat up if it was contracted by outside influences. Google: science vs evolution Pathlights. Theoretically, it takes 20 stars to EXPLODE SIMULTANEOUSLY NEAR EACH OTHER to produce enough pressure 2 form a brand new star. That has never been observed. A more logical explanation is that stars were CREATED in equilibrium since it is impossible for a gas cloud to condense, by gravity, into a star, regardless of how massive the cloud is since the more gas u have, the more the heated gas wants to EXPAND, PREVENTING formation of a star by purely naturalistic means.

  4. Halos.com. YouTube: The Privileged Planet; CSE-01 Age of the Earth (FULL) Kent Hovind; Radiometric Dating Flaws Kent Hovind; Our Solar System: Evidence of Creation; Creation Astronomy The Heavens Declare The Glory of God; Stretching the Heavens: A New Cosmology. Google: Science vs Evolution Pathlights. If your dreams don't scare you, they're not big enough. YouTube: MercyMe – You Reign; Starfield – Filled With Your Glory; Dinosaurs didn't die 65 million years ago, they are still alive today FULL Documentary; The Kingdom of God & The New Jerusalem;  The Truth May Scare You (Parts 1 – ?); F-18 vs. SAM; Must See Heaven Jesus Christ; Dr. Judy Wood Where Did the Towers Go? YouTube: World Deception 2 Happy Hellidays Christmas 2010. Ho-Ho-Ho = 666 since there r six letters between "h" and "o." Santa is actually Satan, with letters rearranged. Poo-pourri Heavenscent.

  5. I would like to see a time frame meter calibrated to light speed when they go zooming through so many stars like they were specks of dust.

  6. What are all those sparkly things floating by? I hope you're not going to say stars for if you are,then how fast are we moving through space 1 million times ftl? Please a little more realism!

  7. It would have been great to have glimpsed the birth of our solar system, but none of us were there 6000 years ago when God created it.

  8. One of the less enticing image thumbnails, clicked, found one of the most interesting videos I've seen in such a long time… WOW

  9. Also, we all would like to watch a video explaining the difference between hubble and James Web. Please make more videos they are incredible good.

  10. Very interesting. The video is made very professional. I really like like the music starting 4:54 – 7:20. Does somebody know the name of song.

  11. you people….lol it seems like human kind has become as zombies under a "dummy spell" lmao I love you people but you should always try to 'smell the green grass': We exist ! Reach HIGHER!!!! Stop the bullshit

  12. Ahh yes….I remember this channel from my very early days on YouTube. It still seems to be great, pity the same can't be said for YouTube.

  13. Might spiral arms of galaxies be caused by similar process i.e. by objects on eccentric orbits in the center of such galaxies?

  14. Great videos. I also love the fact that I can watch these videos and then go visit the places talked about afterwards.

  15. Good video.

    Based on the comments, you guys are butthurting based on the religion vs science argument.
    You know – in the Czech Republic, we simply don't have that argument… it's non-existent… we're all athiests.  Maybe you folks in the US should take an example 😀

  16. Why is it that ground based telescopes seem to have more and better information and imaging than our orbiting observatories? Hubble, Spitzer, Chandra etc. Above the atmosphere it is a better place to search the universe, even if the telescopes on earth are at high altitude.

  17. the best ep so far, and by far, hope it will be a preview…………you guys left me hungering for more…..

  18. Some were out here must be intelligence life, Creature able to build machines…
    NOT THESE STUPID UFO MAN MADE DOCTRINES!

Leave a Reply

Your email address will not be published. Required fields are marked *