Question 1

What does John S. Perko research?

Accepted Answer

John S. Perko publishes mostly in Astronomy and Astrophysics, Nuclear and High Energy Physics and Atomic and Molecular Physics, and Optics, on topics such as Solar and Space Plasma Dynamics, Dark Matter and Cosmic Phenomena and Stellar, planetary, and galactic studies.

Question 2

Which keywords describe John S. Perko's research?

Accepted Answer

The keywords of their largest research topics: Solar Wind, Coronal Mass Ejections, Solar Dynamics Observatory, Cosmic Rays, Neutrinos, Axions, Dark Matter and Exoplanets.

Question 3

Where does John S. Perko work?

Accepted Answer

John S. Perko's main affiliation in the publication record is Goddard Space Flight Center, United States.

Question 4

How many publications and citations does John S. Perko have?

Accepted Answer

OpenAlex counts 23 works and 372 citations for John S. Perko, an h-index of 8, ranking #3,444,313 of 7,710,434 researchers worldwide on the quality score.

Question 5

Is John S. Perko's h-index high?

Accepted Answer

An h-index of 8 is at or above that of 39% of the 91,662 ranked researchers whose main subfield is Astronomy and Astrophysics, which is in the top 67%.