The promise of artificial intelligence has been a staple of government technology roadmaps for decades. But too often, AI has remained an aspirational concept — more a collection of PowerPoint slides than a tangible…
Category: 2. Space
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Hubble Captures a Star’s Swan Song
The swirling, paint-like clouds in the darkness of space in this stunning image seem surreal, like a portal to another world opening up before us. In fact, the subject of this NASA/ESA Hubble Space Telescope image is very real. We are…
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This Star Got Kicked Out at a Million MPH – And Exposed a Hidden Black Hole
Scientists have uncovered the strongest evidence yet for the existence of elusive intermediate-mass black holes (IMBHs), long thought to be the missing link between stellar-mass and supermassive black holes. By tracking a hypervelocity star,…
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A giant black hole awakens
Artist’s impression of the accretion disc around the massive black hole Ansky and its interaction with a small celestial object. Credit: European Space Agency …
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Juno’s Close Call: How Jupiter’s Intense Radiation Sent It Into Safe Mode
NASA’s Juno spacecraft entered safe mode twice during a recent close pass of Jupiter, temporarily halting science operations. While safe mode is a normal precaution when anomalies are detected, the timing suggests Jupiter’s intense radiation…
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Space Force official: Trump’s executive order validates current commercial strategy
COLORADO SPRINGS — An executive order issued April 9 by the Trump administration — which instructs the Pentagon to prioritize commercial technologies in its acquisition strategy — validates the U.S. Space Force’s ongoing…
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Andromeda’s lopsided galaxy system challenges standard cosmology
Publisher’s note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
This is a summary of: Kanehisa, K. J. et al. Andromeda’s asymmetric satellite system as a challenge to cold…
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Overview of the findings for samples returned from Ryugu and implications for early Solar System processes
Yada, T. et al. Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid Ryugu. Nat. Astron. https://doi.org/10.1038/s41550-021-01550-6 (2021).
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Stellar structure via truncated M-fractional Lane–Emden solutions
Lane–Emden equation in its fractional form (Eq. (34)) could be written as
$$x^{ – 2alpha } D_{M,x}^{alpha ,beta } left( {x^{2alpha } D_{M,x}^{alpha ,beta } } right)u + u^{n} = 0,$$
(35)
with the…
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Discovery of extreme quasi-periodic eruptions in a newly accreting massive black hole
Sánchez-Sáez, P. et al. SDSS1335+0728: the awakening of a ~106 M⊙ black hole. Astron. Astrophys. 688, A157 (2024).
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Martin, D. C. et al. The Galaxy Evolution…
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