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A cosmic collision is coming our way. The Milky Way will collide with Andromeda, but it won't happened for another 3-billion years. If the collision occurs, the galaxies will likely merge into one larger galaxy. Various names have been proposed for the resulting merged galaxy, the most dominant being Milkomeda.
NASA will host a Science Update Thursday, May 31, at 1:00 p.m. EDT to discuss new Hubble Space Telescope observations that allow astronomers to predict with certainty the next major cosmic event to affect our entire galaxy, sun, and solar system.
The news conference will be held in NASA Headquarters' James E. Webb Auditorium at 300 E St. SW in Washington and be shown live on NASA Television and on the agency's website.
It has been known for a long time that the Andromeda galaxy is approaching us. Because of uncertainties in Andromeda's motion, it has not been possible to determine whether the Milky Way will have a head-on collision or glancing blow with the neighboring galaxy billions of years in the future. Hubble's precise observations will settle this question.
Galaxies have a dynamical side. They have close encounters that sometimes end in grand mergers and overflowing sites of new star birth as the colliding galaxies morph into wondrous new shapes.
How 'bout holding a conference to predict the arrival of Planet X instead? Or how about; how many stars our solar system REALLY has? Or how about a little chat on whether or not our Moon is ours? Or..... what really caused the asteroid belt debris?
The asteroid belt formed from the primordial solar nebula as a group of planetesimals, the smaller precursors of the planets, which in turn formed protoplanets. Between Mars and Jupiter, however, gravitational perturbations from the giant planet imbued the protoplanets with too much orbital energy for them to accrete into a planet. Collisions became too violent, and instead of fusing together, the planetesimals and most of the protoplanets shattered. As a result, most of the asteroid belt's mass has been lost since the formation of the Solar System. Some fragments can eventually find their way into the inner Solar System, leading to meteorite impacts with the inner planets. Asteroid orbits continue to be appreciably perturbed whenever their period of revolution about the Sun forms an orbital resonance with Jupiter
The asteroid belt began its formation in the same way that the rest of the planets in our solar system formed. Soon after the Sun had formed, energy was injected into the surrounding gas and dust leftover from original solar nebula. It began to clump together during collisions to form planetesmals - larger and larger chunks of rock and metal.
Originally posted by fixer1967
"The Milky Way will collide with Andromeda, but it won't happened for another 3-billion years"
So what? The human race race will not be around to see it. We will have long since been dead this part of space. Tell us something that mater now. I could not care less about 3-billion years from now.
Originally posted by Human_Alien
Or how about a little chat on whether or not our Moon is ours?
Originally posted by Human_Alien
How 'bout holding a conference to predict the arrival of Planet X instead?
Or how about; how many stars our solar system REALLY has?
Or how about a little chat on whether or not our Moon is ours?
Or..... what really caused the asteroid belt debris?
Originally posted by stirling
I see the reasons for unfettered science, but this is getting damn expensive for virtually nothing.
Scientists need a holiday too but they can pay for it themselves, we have to.....!
The way these intelligent idiots spend the cookie jar its pathetic.....
We need so many answers to so many problems, it boggles the mind how these brains can thnk of ways to waste time money and effort.
Originally posted by Human_Alien
reply to post by tsurfer2000h
Why has there been a LOT of talk about a rogue or brown dwarf lately if they 'know'?
About Planet X....they have hinted so much lately that there's SOMETHING lurking in the outer reaches in the Kuiper belt or Oort cloud or wherever else that's unreachable so, what evidence would you like?
A photo?
How about these: