Astronomers Discover Two Monster Black Holes Creating a Cosmic Void as They Merge
Artistic depiction, for illustrative purposes online. Space is usually crowded at the center of a giant galaxy. Stars…
NASA’s James Webb Telescope found a Saturn-sized planet with Earth-like temperatures and a methane-rich atmosphere |
Somewhere between the scorching extremes of hot Jupiters and the frozen depths of gas giants like Saturn lies…
Constraints On The Crystallinity Of Water Ice In Planet-forming Disks From Infrared Scattered-Light Spectra
Protoplanetary disk images (top row) and scattered-/transmitted-light spectra (bottom-left and bottom-middle) obtained from the radiative-transfer simulations, together with…
A Single Power Law For The TRAPPIST-1 Flare Distribution Across Four Orders Of Magnitude In Energy
Cumulative flare-frequency distribution of TRAPPIST-1. The cumulative occurrence rate ν(≥ ETESS) is shown as a function of TESS-band…
A dead galaxy from the early universe is forcing astronomers to rethink galactic evolution
Space tends to reward expectations. Young galaxies should spin. Gas falls in, gravity takes hold, angular momentum builds,…
Formation And Trapping Of CO2 From Cryogenic Irradiation Of Carbonate
Time-resolved IR spectra from electron irradiation of CaCO3 at 50, 100, and 120 K under two electron fluxes,…
Horizontal Transport As A Source Of Disequilibrium Chemistry On The Nightside Of A Hot Exoplanet
NGTS-10 b is a gas giant exoplanet that orbits a K-type star. Its mass is 2.162 Jupiters, it…
In The Heart Of Planetary Nebula Tc 1, A Buckyball Of Buckyballs
The planetary nebula Tc 1, as observed by JWST’s MIRI mid-infrared instrument, uses a combination of nine filters…
Three-dimensional Transport-induced Chemistry On Temperate Sub-Neptune K2-18b, Part II: The Combined Effects Of Atmospheric Dynamics And Chemical Reactions
Wind structures for the synchronous and 10:1 SOR simulations, reproduced from fig. 5 of Part I and included…
A planet that tricks physics? Webb reveals the secret behind Saturn’s strange rotation
For decades, Saturn has been playing a strange trick on scientists. Depending on how they measure it, the…
TOI-4552 b: A New Ultra-short Period Rocky World Revealed By NIRPS And TESS
NIRPS RV timeseries of TOI-4552 (top) along with the corresponding periodograms (bottom). Due to the BERV overlap issue…
Detection Of CO2 Ice In The Planetary Nebula NGC 6302
A.1. Location of CO2 ice in NGC 6302. The image shows HST/WFC3 observations featuring filter F656N (Kastner et…