New observations of the red giant R Doradus reveal that our understanding is wrong
Sandeep K S
Dec 23, 2025
1 min read
A groundbreaking study reveals that starlight pressure is insufficient to drive stellar winds from red giant stars like R Doradus, as dust grains are too small. This challenges the traditional view and suggests that more complex processes, such as giant surface bubbles, stellar pulsations, or dust formation events, may be at play in spreading life's essential elements across the galaxy.
Scientists have uncovered the first robust evidence of a black hole and neutron star crashing together while orbiting in an oval path, challenging long-standing assumptions about cosmic pair formation.
Most neutron star-black hole pairs are expected to adopt circular orbits long before merging, their orbits slowly rounded out by the constant emission of gravitational waves over millions of years.
Far from the warmth of any star, moons orbiting rogue gas giants might harbor oceans of liquid water—and potentially complex life—for billions of years.
Liquid water is considered essential for life. Surprisingly, however, stable conditions that are conducive to life could exist far from any sun.
Look up on a clear night and you'll see the streaks of our modern satellite networks. What you don't see is the growing fallout for the atmosphere that keeps us alive.
A wave of satellite launches and reentries is changing the chemistry and physics of the middle and upper atmosphere. Studies warn of ozone depletion, stratospheric heating, and new metal aerosols from burning spacecraft.
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