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Super Earths/Hycean Worlds
Dave Moore is a Centauri Dreams regular who has long pursued an interest in the observation and exploration of deep space. He was born and raised in New Zealand, spent time in Australia, and now runs a...
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Chasing nomadic worlds: Opening up the space between the stars
Ongoing projects like JHU/APL’s Interstellar Probe pose the question of just how we define an ‘interstellar’ journey. Does reaching the local interstellar medium outside the heliosphere qualify? JPL...
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Interstellar Research Group: 8th Interstellar Symposium Second Call for Papers
Abstract Submission Final Deadline: April 21, 2023 The Interstellar Research Group (IRG) in partnership with the International Academy of Astronautics (IAA) hereby invites participation in its 8th...
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Ring of Life? Terminator Habitability around M-dwarfs
It would come as no surprise to readers of science fiction that the so-called ‘terminator’ region on certain kinds of planets might be a place where the conditions for life can emerge. I’m talking...
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Part II: Sherlock Holmes and the Case of the Spherical Lens: Reflections on a...
Aerospace engineer Wes Kelly continues his investigations into gravitational lensing with a deep dive into what it will take to use the phenomenon to construct a close-up image of an exoplanet. For...
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What We’re Learning about TRAPPIST-1
It’s no surprise that the James Webb Space Telescope’s General Observers program should target TRAPPIST-1 with eight different efforts slated for Webb’s first year of scientific observations. Where...
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Atmospheric Types and the Results from K2-18b
The exoplanet K2-18b has been all over the news lately, with provocative headlines suggesting a life detection because of the possible presence of dimethyl sulfide (DMS), a molecule produced by life on...
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Data Return from Proxima Centauri b
The challenges involved in sending gram-class probes to Proxima Centauri could not be more stark. They’re implicit in Kevin Parkin’s analysis of the Breakthrough Starshot system model, which ran in...
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ACS3: Refining Sail Deployment
Rocket Lab, a launch service provider based in Long Beach CA, launched a rideshare payload on April 23 from its launch complex in New Zealand. I’ve been tracking that launch because aboard the...
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The Physics of Starship Catastrophe
Now that gravitational wave astronomy is a viable means of investigating the cosmos, we’re capable of studying extreme events like the merger of black holes and even neutron stars. Anything that...
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Go Clipper
Is this not a beautiful sight? Europa Clipper sits atop a Falcon Heavy awaiting liftoff at launch complex 39A at Kennedy Space Center. Launch is set for 1206 EDT (1606 UTC) October 14. Clipper is the...
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Do You Really Want to Live Forever?
Supposing you wanted to live forever and found yourself in 2024, would you sign up for something like Alcor, a company that offers a cryogenic way to preserve your body until whatever ails it can be...
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