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To flare or not to flare: The riddle of galactic thin to thick disk solved
A long-standing puzzle regarding the nature of disk galaxies has finally been solved by a team of astronomers using state-of-the-art theoretical models. The new study shows that groups of stars with the same age always flare as the result of massive galactic collisions. When taken all together, these flares, nested like the petals of a blooming rose, puff up the disk and constitute what astronomers call the “thick” disk.
Giant cosmic tsunami wakes up comatose galaxies
James Webb Space Telescope: Building Hubble's successor
Astronomers find runaway galaxies
Can sound help us detect 'earthquakes' on Venus?
The 2011 Tohoku-Oki earthquake was felt from space
Celestial fireworks celebrate Hubble's 25th anniversary