Scholarly Index
Robert T. Zellem
Goddard Space Flight Center; 2,002 total citations; 83 total publications; best world rank #175
Goddard Space Flight Center
2,002Total citations
83Total publications
19H-index
Published ranking records
| Field | Window | World rank | National rank | Impact score |
|---|---|---|---|---|
| Astronomical Observations and Instrumentation | 2021-2025 | 552 | US 114 | 75.72 |
| History and Developments in Astronomy | 2021-2025 | 175 | US 60 | 49.80 |