During a close Mars flyby, NASA’s Europa Clipper spacecraft tested its radar system, REASON, for the first time in space. The radar’s flawless performance thrilled scientists, as it successfully bounced signals off the Martian…
Category: 2. Space
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NASA’s New Radar Just Pulled Off Something Impossible on Earth
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NASA’s Hubble Captures a Stellar Storm So Intense, It’s Reshaping a Galaxy
The Tarantula Nebula glows with powerful stars and chaotic dust, captured in vivid detail by the Hubble Space Telescope. It’s a star factory outside our galaxy—raging with stellar winds and cosmic drama. A vibrant glimpse into a stellar nursery…
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Don’t Miss: Venus and Jupiter Glow Together in a Rare Morning Alignment
Venus-Jupiter Conjunction and Meteor Mojo Venus and Jupiter shine together in a rare, close morning conjunction this August. The Perseid meteor shower is dimmed by moonlight, but Saturn, Mars, and the beautiful Dumbbell Nebula keep skywatchers…
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Radar that could find life on Europa just nailed its first big test
NASA’s largest interplanetary probe tested its radar during a Mars flyby. The results include a detailed image and bode well for the mission at Jupiter’s moon Europa.
As it soared past Mars in March, NASA’s Europa Clipper conducted a critical…
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Project Reveals Mindblowing Designs For Shipping Humans to The Stars : ScienceAlert
On November 1st, 2024, Project Hyperion – an international, interdisciplinary team of architects, engineers, anthropologists, and urban planners – launched a design competition for crewed interstellar travel.
The event was hosted by the
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Photometric light curve analysis of three overcontact binary systems: ATO J255.8159+16.8821, CRTS J034336.4+264312, and NSVS 2669503
Analysis of light curves
The light curve analyses of the three systems were performed using the PyWD2015 software34. The program provides a modern graphical user interface (GUI) for the 2015 version of Wilson-Devinney (WD)35,36. The adopted…
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An Efficient Method for Measuring the Color of a Natural Satellite with Astrometric Applications
The Gaia DR3 catalog released in 2022 contains precise broadband photometry for more than one billion stars in the G, BP, and RP passbands, which is very useful for calibrating the differential color refraction (DCR) effect in ground-based…
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Meteoroid Stream Identification with HDBSCAN Unsupervised Clustering Algorithm
Accurate identification of meteoroid streams is central to understanding their origins and evolution. However, overlapping clusters and background noise hinder classification, an issue amplified for missions such as the European Space Agency’s…
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Investigating the Binary Source Degeneracy for Wide-orbit Planets
Wide-orbit planets are particularly sensitive to detection by the Roman Galactic Bulge Time Domain Survey (GBTDS). This study investigates the degeneracy of these events with binary sources, focusing on how observation cadence affects the…
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Down But Not Out: The Case of Long-period Comet C/2021 O3 (Panstarrs)
We combine ground- and space-based observations of long-period comet C/2021 O3 (Panstarrs; perihelion distance 0.287 au) in order to investigate its reported near-perihelion destruction. Preperihelion photometric observations show a remarkably…
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