ところが地球の磁場はごく弱いものです。
Sentence Analyzer
English Translation
But the earth's magnetic field is very weak.
Furigana
ところが地球 の磁場 はごく弱 いものです。
Romanji
Tokoroga chikyū no jiba wa goku yowai mono desu.
Words
所が
(ところが)
even so; however; still; whereupon; even though; nevertheless; on the contrary; as a matter of fact; despite
地球
(ちきゅう)
the earth; the globe
の
(の)
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
磁場
(じば、じじょう)
magnetic field; ambience; atmosphere; focal point
は
(は)
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
極
(ごく)
quite; very; 10^48; quindecillion
弱い
(よわい)
weak; frail; delicate; tender; unskilled; weak (wine)
者
(もの、もん)
person
です
(です)
be; is