perihelion in English

noun
1
the point in the orbit of a planet, asteroid, or comet at which it is closest to the sun.
He calculated to within a month the return in 1759 of Halley's comet to its perihelion (closest point to the Sun).

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1. Extreme Perihelion and Aphelion

2. 1 antonym for Aphelion: perihelion

3. W hen the Earth moves from perihelion to aphelion, its radiation belts are expansion, and aphelion to perihelion contraction.

4. The Q is - do you mean Pluto in its aphelion or perihelion ?

5. Before Churyumov–Gerasimenko's perihelion passage in 2009, its rotational period was 12.76 hours.

6. How much does the direction of perihelion change each orbit?

7. 2 The intensity of heating culminates at perihelion, when dust devils become very numerous.

8. When perigee and perihelion coincide tidal range is at its greatest.

9. At its farthest distance from the sun, called perihelion, the Comet

10. The intensity of heating culminates at perihelion, when dust devils become very numerous.

11. I’m trying to calculate the precise moment of Earth’s Apsides (perihelion and aphelion)

12. If capital M were the Sun, we would call that "aphelion" and "perihelion."

13. : the point nearest to the sun in the path of an orbiting celestial body (such as a planet) — compare Aphelion Other Words from perihelion Example Sentences Learn More about perihelion Other Words …

14. The angular deviation, as observed from the sun, of a planet from its perihelion.

15. This means that the Earth moves faster along the orbit in winter near perihelion .

16. Thus, at consecutive perihelion passages, opposite points on the equator pointed at the Sun.

17. The Great Comet of 1843 developed an extremely long tail during and after its perihelion passage.

18. The extremes in Earth's perihelion and Aphelion distances for the 21 st Century are listed below

19. In all this Cuban business there is one man stands out on the horizon of my memory like Mars at perihelion .

20. According to Marsden's calculations, this comet reaches its closest point to the Sun (perihelion) on March 18th.

21. The point in the orbit nearest the sun is called perihelion, while the point farthest is called aphelion.

22. In the orbit of a planet or comet about the Sun, the Apsides are, respectively, perihelion and aphelion

23. Because it was the third comet to pass through perihelion during 1957, it was then renamed 1957 III.

24. As long as a comet nucleus is still active, fresh clouds of dust are emitted at each perihelion passage.

25. Apsidal precession (perihelion precession) and Milankovitch cycles Our mission is to provide a free, world-class education to anyone, anywhere

26. The Earth's two apsides are the farthest point, Aphelion, and the nearest point, perihelion, of its orbit around the host Sun

27. 9 This resonant condition permitted Mariner 10 to fly by Mercury at close range at the times of alternate perihelion passages.

28. Halley's Comet with average run cycle 01 years passed through perihelion last time in 19 the next will appear in 20

29. He also figured out the planet goes faster when it's at perihelion, nearer the sun, than when it's at aphelion, its farthest distance.

30. This star achieved perihelion some 52,920 years ago when it came within an estimated 15.71 ly (4.817 pc) of the Sun.

31. Still, by January 11 sun-staring spacecraft SOHO should be able to offer web-based views as the comet heads toward a perihelion passage inside the orbit of Mercury.

32. 20 So, the perihelion cannot be considered as a verification of Einstein's theory although it does suggest that his theory would be in the right direction.

33. But surprising Comet McNaught - whose January 12 closest approach to the Sun ( perihelion passage) was well inside the orbit of Mercury - gave an enjoyable performance in bright blue daytime skies.

34. This composite neatly compares two pictures of the Sun taken with the same telescope and camera on the dates of Perihelion (closest approach) and Aphelion in 200

35. So, the perihelion cannot be considered as a verification of Einstein's theory although it does suggest that his theory would be in the right direction.

36. When Earth is at its Aphelion in early July, it is about 4,800,000 km (3,000,000 miles) farther from the Sun than when at its perihelion in early January.

37. The terms Aphelion and perihelion apply in the same way to the orbits of Jupiter and the other planets, the comets, and the asteroids of the Solar System.

38. Tending upward and sunward from the aphelion of Barbarism, the race attained the perihelion of civilization only to plunge downward once more to its nether goal in the regions of chaos.” ― Edward Bellamy, Looking Backward

39. This happens around the time that Mercury arrives at that part of its orbit which places it closest to the Sun (called perihelion ), where it's orbital speed can briefly exceed its rotational speed.

40. After the comet Encke encounter, CONTOUR might have been retargeted towards a new comet if one was discovered with the desired characteristics (e.g. active, brighter than absolute magnitude 10, perihelion within 1.5 AU).

41. To reach Venus, the spacecraft traveled in a heliocentric orbit from Earth to the planet with perihelion of 0.72 AU, apohelion of 1.02 AU, eccentricity of 0.17, inclination of 2.3 degrees and orbital period of 294 days.

42. Noun plural Apsides (æpˈsaɪdiːz, ˈæpsɪˌdiːz) Also called: apse either of two points lying at the extremities of an eccentric orbit of a planet, satellite, etc, such as the aphelion and perihelion of a planet or the apogee and perigee of the moon

43. The Jet Propulsion Laboratory defines a main-belt asteroid as an asteroid with a semi-major axis (average distance from the Sun) of more than 2 AU but less than 3.2 AU, and a perihelion (closest approach distance to the Sun) of no less than 1.6 AU.

44. Aphelion: 1 n apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun Antonyms: perihelion periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun Type of: apoapsis , point of apoapsis (astronomy) the point in an orbit farthest from the body