“In this photo, I’m exiting a ground station on top of the Department of Space Science & Engineering at Taiwan’s National Central University, near Taipei. I lead the university’s Upper Air Dynamics Laboratory, where my team and I focus…
Category: 2. Space
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Mapping of an early quenched massive galaxy and its neighbourhood
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This is a summary of: Pérez-González, P. G. et al. Accelerated quenching and chemical enhancement of…
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‘Immortal’ stars have an elixir of youth: dark matter
- RESEARCH HIGHLIGHT
Modelling suggests that annihilation of this strange,…
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NASA staff declare opposition to Trump cuts
More than 280 NASA employees past and present, including at least 4 astronauts, have signed a declaration of opposition to the many drastic changes that the administration of US President Donald Trump is working to enact. The declaration,…
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Sorcha: Optimized Solar System Ephemeris Generation
Sorcha is a solar system survey simulator built for the Vera C. Rubin Observatory’s Legacy Survey of Space and Time (LSST) and future large-scale wide-field surveys. Over the 10 yr survey, the LSST is expected to collect roughly a billion…
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Predictions of the LSST Solar System Yield: Discovery Rates and Characterizations of Centaurs
The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) will start by the end of 2025 and operate for 10 yr, offering billions of observations of the southern night sky. One of its main science goals is to create an inventory of the…
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Predictions of the LSST Solar System Yield: Near-Earth Objects, Main Belt Asteroids, Jupiter Trojans, and Trans-Neptunian Objects
The NSF-DOE Vera C. Rubin Observatory is a new 8m-class survey facility presently being commissioned in Chile, expected to begin the 10 yr long Legacy Survey of Space and Time (LSST) by the end of 2025. Using the purpose-built Sorcha survey…
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The Epoch of Giant Planet Migration Planet Search Program. III. The Occurrence Rate of Young Giant Planets inside the Water Ice Line *
We present statistical results from the Epoch of Giant Planet Migration RV planet search program. This survey was designed to measure the occurrence rate of giant planets interior to the water ice line of young Sun-like stars, compare this to the…
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Silkscreen: Direct Measurements of Galaxy Distances from Survey Image Cutouts
With upcoming wide field surveys from the ground and space, the number of known dwarf galaxies at ≲25 Mpc is expected to dramatically increase. Insight into their nature and analyses of these systems’ intrinsic properties will rely on…
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Sorcha: A Solar System Survey Simulator for the Legacy Survey of Space and Time
The upcoming Legacy Survey of Space and Time (LSST) at the Vera C. Rubin Observatory is expected to revolutionize solar system astronomy. Unprecedented in scale, this 10 yr wide-field survey will collect billions of observations and discover a…
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