perihelion in a sentence

Examples

1. Perihelion presently occurs around January 3, while aphelion is around July 4.
2. Four days after perihelion, the Sun's normal apparent motion resumes.
3. Perihelion Software produced an operating system for the INMOS processor or another one.
4. Its previous perihelion passage occurred on December 23, 2004 at 9h00 UT.
5. Its next perihelion will be on 18 July 2018.
6. Around perihelion on 12 January, it was visible worldwide in broad daylight.
7. Mars passed an aphelion in March 2010 and its perihelion in March 2011.
8. CN ( cyanide ) was not detected until the comet was near perihelion.
9. The preliminary orbit shows the next perihelion passage to be around January 2024.
10. During the 2004 perihelion passage the comet brightened to about apparent magnitude 11.