Definition of periastron in English:

periastron

noun ˌpɛrɪˈastrənˌpɛriˈæstrən

Astronomy

The point nearest to a star in the path of a body orbiting that star.
〔天文〕近星点
Example sentencesExamples
- Also, relativistic advance of periastron has been studied and confirmed in certain binary stars with elliptical orbits.

Origin

Mid 19th century: from peri- 'around' + Greek astron 'star', on the pattern of perigee and perihelion.

Definition of periastron in US English:

periastron

nounˌpɛriˈæstrənˌperēˈastrən

Astronomy

The point nearest to a star in the path of a body orbiting that star.
〔天文〕近星点
Example sentencesExamples
- Also, relativistic advance of periastron has been studied and confirmed in certain binary stars with elliptical orbits.

Origin

Mid 19th century: from peri- ‘around’ + Greek astron ‘star’, on the pattern of perigee and perihelion.

单词	periastron
释义	Definition of periastron in English: periastron noun ˌpɛrɪˈastrənˌpɛriˈæstrən Astronomy The point nearest to a star in the path of a body orbiting that star. 〔天文〕近星点 Example sentencesExamples Also, relativistic advance of periastron has been studied and confirmed in certain binary stars with elliptical orbits. Origin Mid 19th century: from peri- 'around' + Greek astron 'star', on the pattern of perigee and perihelion. Definition of periastron in US English: periastron nounˌpɛriˈæstrənˌperēˈastrən Astronomy The point nearest to a star in the path of a body orbiting that star. 〔天文〕近星点 Example sentencesExamples Also, relativistic advance of periastron has been studied and confirmed in certain binary stars with elliptical orbits. Origin Mid 19th century: from peri- ‘around’ + Greek astron ‘star’, on the pattern of perigee and perihelion.
随便看	institutional investor institutionalisation institutionalisation institutionalise institutionalised institutionalises institutionalising institutionalism institutionalism institutionalist institutionalists institutionalization institutionalization institutionalize institutionalized institutionalized institutionalizes institutionalizing institutionally institutionally institutional racism institutionize institutions institutive institutor 旁皇旁皇旁系亲属旁若无人旁落旁观旁观者清旁证旁边旁门 Umsteuerverhalten Umsteuervorgang Umsteuervorrichtung Umsteuerwelle Umsteuerzeit Umsteuerzylinder Umstieg umstoßen umstritten Umstrukturierung