ジェット推進研究所[jettosuishinkenkyuusho] Jet Propulsion Laboratory
学究[gakkyuu] scholar
観察的研究[kansatsutekikenkyuu] observational study
基礎研究[kisokenkyuu] basic research
客員研究員[kyakuinkenkyuuin] visiting researcher

究極[kyuukyoku] ultimate
究明[kyuumei] investigation (esp. in academic and scientific contexts)
究極目的[kyuukyokumokuteki] extreme purpose
共同研究[kyoudoukenkyuu] collaborative research
研究[kenkyuu] study

と考えられる[tokangaerareru] one can think that ...
一考[ikkou] consideration
勘考[kankou] consider
考え[kangae] thinking
考えてみれば[kangaetemireba] if you think about it

考える[kangaeru] to consider
考え込む[kangaekomu] to ponder
考え事[kangaegoto] (deep) thinking
考え出す[kangaedasu] to think out
考え直して[kangaenaoshite] On second thoughts ...