About 340,000 results
Open links in new tab
  1. Halley's Comet - Wikipedia

    It last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061. Officially designated 1P/Halley, it is also commonly called Comet Halley, or sometimes simply Halley.

  2. Halley’s Comet | Astronomy, Facts & History | Britannica

    Oct 17, 2025 · Halley’s Comet, the first comet whose return was predicted and, almost three centuries later, the first to be imaged up close by interplanetary spacecraft. In 1705 English astronomer …

  3. In Depth | 1P/HalleyNASA Solar System Exploration

    Halley is often called the most famous comet because it marked the first time astronomers understood comets could be repeat visitors to our night skies. Astronomers have now linked the comet's …

  4. When Was Halley’s Comet Last Seen and Will It Ever Return?

    Sep 17, 2024 · Halley’s Comet, officially designated 1P/Halley, is a short-period comet (less than 200-year orbit around the Sun) that is regularly visible from Earth about every 76 years.

  5. Edmond Halley - Wikipedia

    He was the second Astronomer Royal in Britain, succeeding John Flamsteed in 1720. From an observatory he constructed on Saint Helena in 1676–77, Halley catalogued the southern celestial …

  6. Edmond Halley | Astronomer, Mathematician & Comet Discoverer

    Nov 4, 2025 · Edmond Halley was an English astronomer and mathematician who was the first to calculate the orbit of a comet later named after him. He is also noted for his role in the publication of …

  7. Paramount Ad Sales Chief John Halley Exiting Company

    Dec 1, 2025 · The Skydance company hired Jay Askinasi as chief revenue officer in October. By Tony Maglio Paramount ad sales chief John Halley is exiting the company after 17 years, a person with …

  8. Edmond Halley - Astronomer, Comet, Scientist | Britannica

    Nov 4, 2025 · Halley’s Comet, the first comet whose return was predicted and, almost three centuries later, the first to be imaged up close by interplanetary spacecraft. In 1705 English astronomer …

  9. Paramount Ad Sales Chief John Halley Exiting - Adweek

    6 days ago · John Halley has served as Paramount’s ad sales leader since 2022.

  10. Paramount Ad Sales President John Halley to Exit - The Wrap

    Dec 1, 2025 · John Halley is set to exit Paramount as president of Ad Sales, TheWrap has learned. He will stay on in a strategic advisory role through the end of March in order to transition things over after ...