Topic: Stars & Nebulae
It’s a Star-Eat-Planet Universe Out There

It’s a Star-Eat-Planet Universe Out There

Artist's impression of a terrestrial planet being captured by a twin star. Credit: intouchable, OPENVERSE Data, at the end of the day, is our first and last source of understanding. We look, build models to match what we see, predict things we haven’t seen yet, and then ]take more data to confirm those models.  Sometimes, the model is as simple as two stars born out of the same cloud of material should have the same composition.  New data shows us that in 8% of the binary stars in a 91-binary system survey, that isn’t so. In these systems that just have to be different, researchers found...

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Closer Look: We are Space Stuff

Closer Look: We are Space Stuff

Courtesy TeePublic It is possible to buy stickers, sweatshirts, mugs, and all manner of other stuff and things emblazoned with the simple phrase, “We are star stuff”. Carl Sagan popularized this phrase, and it serves as a gentle reminder that all the complex atoms -...

Neutron Stars Have Quarky Cores

Neutron Stars Have Quarky Cores

Artist’s impression of the different layers inside a massive neutron star, with the red circle representing a sizable quark-matter core. Credit: Jyrki Hokkanen, CSC Ok, hold onto your brains; things are about to get dense around here. Our universe’s most massive stars...

Finding the Source of Low-Hydrogen Supernovae

Finding the Source of Low-Hydrogen Supernovae

Visualization of a binary star experiencing mass transfer. Credit: Ylva Götberg One factor upping the difficulty of understanding our universe is… the complexity of our universe. It sometimes feels like every time we think we’re getting a handle on how things work,...

500,000 Stars, with More Born Regularly

500,000 Stars, with More Born Regularly

Credit: NASA, ESA, CSA, STScI, and S. Crowe (University of Virginia) Our Solar System lives in a nice suburb of the Milky Way. Sitting about 25,000 light years from the galactic center, we’re in a good place to view what’s happening in the core district, but far...

Eta Carina gives up 260year Secret to Chandra

Eta Carina gives up 260year Secret to Chandra

Credit: X-ray: NASA/SAO/GSFC/M. Corcoran et al.; Image Processing: L. Frattare, J. Major, N. Wolk (SAO/CXC) Astronomers kind of live to see weird weird objects. While likely always visible to humans, this southern hemisphere star transformed from kind of meh to the...