#NASA, #Space, #astronomy, #διάστημα
Get ready for a cosmic collision tale! Astronomers have aimed the Gemini North telescope at a breathtaking spectacle: the "Taffy Galaxies," UGC 12914 and UGC 12915. Around 25 million years ago, these spiral galaxies smashed head-on, leaving behind a mesmerizing bridge of gas that stretches between them, its stretchy, taffy-like shape a testament to the universe’s wild artistry! Despite the bridge brimming with hydrogen and molecular filaments primed for star formation, a cosmic surprise unfolds—star birth remains eerily suppressed amid the chaos. ALMA observations reveal these filaments are wildly turbulent and gravitationally unbound, dissipating quickly and struggling to collapse into new stars. Yet, hope flickers! Sporadic bright regions, like a compact H II zone near UGC 12915, show that star creation can still spark through the turmoil. This dynamic showdown underscores how violent galactic encounters can both sculpt stunning cosmic landscapes and stall the growth of new stars.
Δεν υπάρχουν σχόλια:
Δημοσίευση σχολίου