The United States needs to increase funding and support for advanced hypersonic weapons development to counter similar programs in China and Russia, according to former Defense Department official and hypersonic weapons expert Mark…
Category: 2. Space
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Mysterious Radio Pulses Hint at a Strange Cosmic Object That Shouldn’t Exist
A cosmic enigma, ASKAP J1839-0756, a slow-spinning neutron star discovered using the ASKAP radio telescope, is challenging the conventional understanding of pulsars. Unlike typical pulsars which spin rapidly, this object completes one rotation…
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The factors affecting noontime ionospheric NmF2 equinoctial asymmetry over mid-latitude regions
Yonezawa, T. & Arima, Y. On the seasonal and non-seasonal annual variations and the semi-annual variation in the noon and midnight electron densities of the F2 layer in middle latitudes. J. Radio Res. Labs. 6, 293–309 (1959).
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The Super-puff WASP-193 b is on a Well-aligned Orbit*
The “super-puffs” are a population of planets that have masses comparable to that of Neptune but radii similar to Jupiter, leading to extremely low bulk densities (ρp ≲ 0.2 g cm−3) that are not easily explained by standard core accretion…
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Bolide Infrasound Signal Morphology and Yield Estimates: A Case Study of Two Events Detected by a Dense Acoustic Sensor Network
Two bolides (2016 June 2 and 2019 April 4) were detected at multiple regional infrasound stations, with many of the locations receiving multiple detections. Analysis of the received signals was used to estimate the yield, location, and…
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Subaru’s newest spectrometer with thousands of eyes
Subaru’s newest spectrometer with thousands of eyes
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Sols 4488-4490: Progress Through the Ankle-Breaking Terrain (West of Texoli Butte, Climbing Southward)
Written by Lucy Lim, Planetary Scientist at NASA’s Goddard Space Flight Center
Earth planning date: Friday, March 21, 2025
It’s the start of spring here in the Northern Hemisphere on Earth, but in Gale Crater on Mars our rover is…
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Cosmic Anomaly: Massive Spiral Galaxy is Ejecting Colossal Pair of Relativistic Jets
2MASX J23453268-0449256 (J2345-0449 for short), an extremely massive, rapidly rotating, jet-launching spiral galaxy approximately 947 million light-years in the constellation of Aquarius, harbors a supermassive black hole billions of times the…
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Ultra-Thin Lightsails: A New Era in Space Exploration
How can lightsail technology advance to help humanity travel to other star systems? This is what a recent study published in Nature Communications hopes to address as an international team of researchers…
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The Hypersonics Revolution – A Conversation with Mark Lewis – Replay
Hypersonic technology is reshaping the future of national defense—and the stakes have never been higher. As the Pentagon races to develop cutting-edge hypersonic weapons and…
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