How to Use perihelion in a Sentence

perihelion

noun

• The closest a comet gets to the Sun is called its perihelion.
  — Jamie Carter, Forbes, 24 June 2021
• The comet will be at perihelion, its closest to the sun, on Jan. 12 and at the closest to Earth on Feb. 1.
  — Julia Musto, Fox News, 5 Jan. 2023
• This is when the comet will reach its perihelion: the closest point to the sun on its orbital path.
  — Claire Reid, Journal Sentinel, 19 Mar. 2024
• The spacecraft's first perihelion -- the point in the orbit closest to the sun -- was about half the distance between the sun and Earth.
  — Amy Woodyatt, CNN, 15 June 2020
• The comet will reach its perihelion, or its closest point to the sun, on Thursday, Jan. 12.
  — CBS News, 9 Jan. 2023
• The star’s closest point to the black hole, known as perihelion, advances around in a circle by about a fifth of a degree — 12 arc minutes.
  — Dennis Overbye, New York Times, 16 Apr. 2020
• Above: 24 of the brightest outbursts observed while Comet 67P was at perihelion, its point closest to the sun.
  — Corey S Powell, Discover Magazine, 1 Oct. 2016
• At perihelion, Earth is roughly 91.4 million miles away from the sun.
  — NBC News, 5 Jan. 2022
• Earth makes its closest past on Jan. 4, which is called perihelion.
  — Dave Epstein, BostonGlobe.com, 4 July 2022
• The videos were captured during the probe’s first close perihelion passages.
  — Joshua Hawkins, BGR, 20 May 2022
• It's forecast to reach its perihelion on April 21 and its closest approach to Earth will occur on June 2.
  — The Arizona Republic, 27 Mar. 2024
• Its last closest approach to the sun occurred in the same year it was discovered, and it is expected to reach its next perihelion around the year 2283.
  — George Dvorsky / Gizmodo, Quartz, 16 Apr. 2024
• Hundreds or even thousands of meteors an hour occur when the comet's peak aligns with the comet's perihelion.
  — Skyler Caruso, PEOPLE.com, 6 Oct. 2021
• The closest of these run-ins occurs when Earth reaches aphelion, or its farthest point from the sun, and when Mars reaches perihelion, its closest point to the sun.
  — Jennifer Leman, Popular Mechanics, 5 Oct. 2020
• The notes document the duo's effort to confirm that Mercury’s perihelion, the point at which a planet is closest to the sun, changes over time due to the curvature of spacetime.
  — NBC News, 23 Nov. 2021
• If the perihelion of an object is less than 1.3 astronomical units, which is the distance between Earth and the sun, it is called a near-Earth object.
  — Suryatapa Bhattacharya, WSJ, 26 Jan. 2023
• As philosopher of science Thomas Kuhn noted, Newton's laws were retained despite the fact that they were contradicted for decades by the motions of the perihelion of Mercury and the perigee of the moon.
  — Mano Singham, Scientific American, 7 Sep. 2020
• At the bottom of Earth’s orbit - Perihelion! - Does this perihelion make my Sun look fat?
  — Phil Plait, Discover Magazine, 4 Jan. 2012
• The shower reaches its perihelion – closest approach to the sun – every 33 years.
  — Caitlin O'Kane, CBS News, 16 Nov. 2023
• The exact distances of Earth’s perihelion and aphelion change a bit from year to year because of the gravitational influence of the other planets, as well as that of the moon.
  — Phil Plait, Scientific American, 30 June 2023
• With April 8 being so close to the Devil Comet's April 21 perihelion, the comet could be observable during the darkness of totality.
  — Claire Reid, Journal Sentinel, 19 Mar. 2024
• Earth reached its closest point to the sun Tuesday at 1:52 a.m. EST, a configuration known as perihelion.
  — NBC News, 5 Jan. 2022
• Specifically, astronomers look how each of these planets’ perihelion – their point of closest approach to the sun – shifts over millions of years.
  — Korey Haynes, Discover Magazine, 6 Mar. 2019
• In 2024, several comets will reach their perihelion and peak brightness.
  — The Arizona Republic, 27 Mar. 2024
• The answer came out right: his equations predicted the perihelion should drift by about 43 arc seconds per century.
  — Walter Isaacson, Scientific American, 1 Sep. 2015
• Each year, during wintertime in the northern hemisphere, the Earth reaches its closest point to the sun, or perihelion, and during the northern hemisphere summer the Earth hits the farthest point from the sun, or aphelion.
  — Jay Bennett, Popular Mechanics, 18 Aug. 2017
• Over the past centuries, Mars’ orbit has been getting more and more elongated, carrying the planet even nearer to the sun at perihelion and even farther away at aphelion.
  — Dave Epstein, BostonGlobe.com, 11 July 2018
• During summer in the southern hemisphere, Earth’s orbit is closer to the sun and reaches a point called perihelion in early January.
  — Kasha Patel, Anchorage Daily News, 21 July 2023
• Yet with each go-round (Mercury has an 88-day year), the planet stubbornly appeared out of place during perihelion from where astronomers expected it.
  — Adam Hadhazy, Discover Magazine, 26 Feb. 2015
• In our own solar system, astronomers had long known that the planet Mercury behaves like this; its perihelion advances around the sun by the microscopic amount of 43 seconds of arc a century.
  — Dennis Overbye, New York Times, 16 Apr. 2020

Last Updated: 11 Nov 2024