Results 51 to 60 of about 4,318,169 (286)

Pre-impact Albedo Map and Photometric Properties of the (65803) Didymos Asteroid Binary System from DART and Ground-based Data

The Planetary Science Journal
This study provides a pre-impact map of the albedo of the Double Asteroid Redirection Test (DART) target Dimorphos corrected for all the effects of viewing geometry, as well as an estimate of photometric roughness for the hemisphere imaged by DART. Other
B. J. Buratti, J. Pittichová, I. Mishra, J. K. Hillier, J. A. Mosher, S. R. Chesley, J. M. Sunshine, O. Barnouin, C. M. Ernst, R. T. Daly, J-Y Li, A. F. Cheng, A. S. Rivkin, J. Rizos   +13 more
doaj   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

FEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

A comparative assessment of different deviation strategies for dangerous NEO [PDF]

, 2006
In this paper a number of deviation strategies for dangerous Near Earth Objects (NEO) have been compared. For each strategy (i.e. Solar Collector, Nuclear Blast, Kinetic Impactor, Low-thrust Propulsion, Mass Driver) a multi criteria optimisation method ...
Colombo, Camilla, Vasile, Massimiliano, S. Cuartielles, Joan-Pau, Cuartielles, Joan Pau S., Colombo, C., Sanchez, J.P., Radice, Gianmarco   +6 more
core   +2 more sources

Encounter Circumstances of Asteroid 99942 Apophis with the Catalog of Known Asteroids

The Planetary Science Journal
Asteroid 99942 Apophis will pass near Earth in 2029 April. Expected to miss our planet by a safe margin, that could change if Apophis's path were perturbed by a collision with another asteroid in the interim.
Paul Wiegert, Benjamin Hyatt
doaj   +1 more source

Residual tail twisting in ascidian larvae is stabilized by asymmetric myofibrils that resist bilateral symmetry restoration

FEBS Letters, EarlyView.
Ascidian Ciona larvae initially show strong clockwise tail twisting, which is largely corrected during development. However, a small residual twist remains. This study shows that organized helical myofibrils in tail muscles mechanically stabilize this residual asymmetry, preventing complete restoration of bilateral symmetry and revealing how embryos ...
Yuki S. Kogure, Misaki K. Nishio, Satoru Okuda, Kohji Hotta   +3 more
wiley   +1 more source

Spins, shapes, and orbits for near-Earth objects by Nordic NEON [PDF]

, 2006
The Nordic Near-Earth-Object Network (NEON) observing program accrues knowledge about the physical and dynamical properties of near-Earth objects (NEOs) using state-ofthe-art inverse methods. Photometric and astrometric observations are being carried out
Näränen, Jyri, Virtanen, Jenni, Aksnes, Kaare, Torppa, Johanna, Muinonen, Karri, Lagerkvist, Claes-Ingvar, Laakso, Teemo, Parviainen, Hannu, Pravec, Petr, Jörgensen, Uffe Grae, Karlsson, Ola, Dai, Zhang, Grav, Tommy, Michelsen, Rene, Rickman, Hans, Hahn, Gerhard, Granvik, Mikael, Niemelä, Jarkko, Lagerkvist, Claes-Ingvar,, Rickman, Hans,, Karlsson, Ola,   +20 more
core   +1 more source

Size Constraint on Hayabusa2 Extended Mission Rendezvous Target 1998 KY26 via VLT/VISIR Nondetection

The Astronomical Journal
1998 KY _26 is a tiny near-Earth asteroid ( H = 26.1) discovered in 1998. It has been selected as the target of the Hayabusa2 extended mission, which will rendezvous with 1998 KY _26 in 2031.
Jin Beniyama, Thomas G. Müller, Marco Delbo, Eric Pantin, Olivier R. Hainaut, Marco Micheli, Michaël Marsset   +6 more
doaj   +1 more source

The human gut microbiome across the life course

FEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero, Basak Bahcivanci, Antonietta Hayhoe, Animesh Acharjee, Ezgi Özkurt   +4 more
wiley   +1 more source

SVD-accelerated T-matrix Method for Simulation of Scattering by Electrically Large Sphere Clusters and ISAR Imaging of Asteroid-like Bodies

The Planetary Science Journal
China’s Tianwen-2 mission will carry a radar to detect the internal structure of the asteroid 469219 Kamoʻoalewa. The model of scattering from the asteroid is important for the mission.
Zhanyang Weng, Niutao Liu, Ya-Qiu Jin
doaj   +1 more source

Design and analysis strategies for robust microbiome ageing research

FEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik, İsmail Güderer, Yi Wang, Tayyaba Alvi, Prasoon Pandey, Handan Melike Dönertaş   +5 more
wiley   +1 more source