New images reveal the violent and beautiful mechanics of star formation and death.
Sandeep K S
Jan 19
1 min read
In a stunning cosmic vista, vibrant jets of ionized gas emanate from a newly forming star, illuminating the surrounding space with colorful hues. Credit: NASA, ESA, and B. Reipurth (Planetary Science Institute); Processing: Gladys Kober (NASA/Catholic University of America)
A vivid artist's concept illustrating a smaller white dwarf star pulling material from a larger star into an accretion disk, with dynamic colors representing the energy and movement of the process. Scientists are using NASA’s IXPE to study the polarization of X-rays emitted by such systems. Credit: MIT/Jose-Luis Olivares.
This stunning image captures the ethereal beauty of the reflection nebula NGC 1333, located about 1,000 light-years away in the constellation Perseus. The nebula's bluish hues are illuminated by the young stars embedded within the dense clouds of gas and dust, showcasing a vibrant stellar nursery where new stars are born.
It is one of the most famous questions in science, asked over lunch by physicist Enrico Fermi. With hundreds of billions of stars and billions of years, life should have emerged many times over. And yet, no signals. No visitors. No evidence of anyone at all.
The universe is 13 billion years old. Our galaxy alone contains hundreds of billions of stars, a significant proportion of which host planets. Many of those planets sit in the right temperature range for liquid water.
Here's a thought experiment that keeps planetary scientists awake at night. Strip every living thing from our planet—every bacterium, every blade of grass, every creature that has ever drawn breath—and ask a simple but profound question: Would Earth still be a world capable of supporting life?
The answer, it turns out, is yes. And that finding has enormous implications for how we search for life beyond our solar system. The problem is subtle but important.
Using the MeerKAT radio telescope, astronomers have discovered a natural "space laser" originating from a violently merging galaxy more than 8 billion light-years away.
When gas-rich galaxies collide, the impact compresses enormous reservoirs of gas. This violent cosmic crash can stimulate molecules—specifically hydroxyl (OH) molecules—causing them to emit incredibly bright, coherent radio waves.
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