enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. List of orbits - Wikipedia

    en.wikipedia.org/wiki/List_of_orbits

    There are two types of orbits: closed (periodic) orbits, and open (escape) orbits. Circular and elliptical orbits are closed. Parabolic and hyperbolic orbits are open. Radial orbits can be either open or closed. Circular orbit: An orbit that has an eccentricity of 0 and whose path traces a circle.

  3. Timeline of Solar System exploration - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_Solar_System...

    This is a timeline of Solar System exploration ordering events in the exploration of the Solar System by date of spacecraft launch. It includes: It includes: All spacecraft that have left Earth orbit for the purposes of Solar System exploration (or were launched with that intention but failed), including lunar probes .

  4. Timeline of Solar System astronomy - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_Solar_System...

    The principal change was to space leap years differently so as to make the average calendar year 365.2425 days long, more closely approximating the 365.2422-day 'tropical' or 'solar' year that is determined by the Earth's revolution around the Sun. The reform advanced the date by 10 days: Thursday 4 October 1582 was followed by Friday 15 ...

  5. Orbit - Wikipedia

    en.wikipedia.org/wiki/Orbit

    An animation showing a low eccentricity orbit (near-circle, in red), and a high eccentricity orbit (ellipse, in purple). In celestial mechanics, an orbit (also known as orbital revolution) is the curved trajectory of an object [1] such as the trajectory of a planet around a star, or of a natural satellite around a planet, or of an artificial satellite around an object or position in space such ...

  6. Space exploration - Wikipedia

    en.wikipedia.org/wiki/Space_exploration

    After the first 20 years of exploration, focus shifted from one-off flights to renewable hardware, such as the Space Shuttle program, and from competition to cooperation as with the International Space Station (ISS). With the substantial completion of the ISS [4] following STS-133 in March 2011, plans for space exploration by the U.S. remained ...

  7. The year in space: Why 2022 was a pivotal year for ... - AOL

    www.aol.com/news/space-why-2022-pivotal...

    The most important milestones, achievements, moments and photos from an important year in space exploration. The year in space: Why 2022 was a pivotal year for exploration and discovery Skip to ...

  8. Timeline of space exploration - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_space_exploration

    First extended (multi-year) orbital exploration of Venus (from 1978 to 1992). USA (NASA) Pioneer Venus Orbiter: 5 March 1979: Jupiter flyby (closest approach 349,000 km) Encounters with five Jovian moons. Discovery of volcanism on Io. USA (NASA) Voyager 1: 1 September 1979: First flyby of Saturn. First photograph of Titan from deep space. USA ...

  9. Category:Orbits - Wikipedia

    en.wikipedia.org/wiki/Category:Orbits

    Types of orbit (1 C, 2 P) Pages in category "Orbits" The following 121 pages are in this category, out of 121 total. This list may not reflect recent changes. ...