Results 151 to 160 of about 18,958 (240)

The Hubble diagram for QSOs [PDF]

open access: bronze, 1978
H. Netzer, A. Yahil, Roy Yaniv
openalex   +1 more source

Molecules in QSOs and QSO Absorption Line Systems at High Redshift

open access: yes, 1998
8 pages, To appear in Proceedings of the Workshop on H_2 in the Early Universe, eds. F. Palla, E. Corbelli, and D. Galli, Memorie Della Societa Astronomica Italiana, in press (1998)
openaire   +2 more sources

Peering into the dark (ages) with low-frequency space interferometers: Using the 21-cm signal of neutral hydrogen from the infant universe to probe fundamental (Astro)physics. [PDF]

open access: yesExp Astron (Dordr), 2021
Koopmans LVE   +29 more
europepmc   +1 more source

Simulation of gravity field estimation of Phobos for Martian Moon eXploration (MMX)

open access: yesEarth, Planets and Space
We study the dynamic orbit about Phobos of the Martian Moon eXploration (MMX) spacecraft and simulate gravity field estimation using Doppler, image landmarks, and LIght Detection And Ranging (LIDAR) data based on a mission plan of MMX and investigate ...
Keiko Yamamoto   +6 more
doaj   +1 more source

It Takes a Village. [PDF]

open access: yesSol Phys, 2022
Canfield RC.
europepmc   +1 more source

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