What does heliosphere mean?
Definitions for heliosphere
ˈhi li əˌsfɪərhe·lio·spher·e
This dictionary definitions page includes all the possible meanings, example usage and translations of the word heliosphere.
Princeton's WordNet
heliospherenoun
the region inside the heliopause containing the sun and solar system
Wiktionary
heliospherenoun
The region of space where interstellar medium is blown away by solar wind; the boundary, heliopause, is often considered the edge of the Solar System.
Wikipedia
Heliosphere
The heliosphere is the magnetosphere, astrosphere, and outermost atmospheric layer of the Sun. It takes the shape of a vast, bubble-like region of space. In plasma physics terms, it is the cavity formed by the Sun in the surrounding interstellar medium. The "bubble" of the heliosphere is continuously "inflated" by plasma originating from the Sun, known as the solar wind. Outside the heliosphere, this solar plasma gives way to the interstellar plasma permeating the Milky Way. As part of the interplanetary magnetic field, the heliosphere shields the Solar System from significant amounts of cosmic ionizing radiation; uncharged gamma rays are, however, not affected. Its name was likely coined by Alexander J. Dessler, who is credited with the first use of the word in scientific literature in 1967. The scientific study of the heliosphere is heliophysics, which includes space weather and space climate. Flowing unimpeded through the Solar System for billions of kilometres, the solar wind extends far beyond even the region of Pluto, until it encounters the "termination shock", where its motion slows abruptly due to the outside pressure of the interstellar medium. The "heliosheath" is a broad transitional region between the termination shock and the heliosphere's outmost edge, the "heliopause". The overall shape of the heliosphere resembles that of a comet; being roughly spherical on one side, with a long trailing tail opposite, known as "heliotail". Two Voyager program spacecraft explored the outer reaches of the heliosphere, passing through the termination shock and the heliosheath. Voyager 1 encountered heliopause on 25 August 2012, when the spacecraft measured a forty-fold sudden increase in plasma density. Voyager 2 traversed the heliopause on 5 November 2018. Because heliopause marks the boundary between matter originating from the Sun and matter originating from the rest of the galaxy, spacecraft that depart the heliosphere (such as the two Voyagers) are in interstellar space.
ChatGPT
heliosphere
The heliosphere is a bubble-like region in space dominated by the Sun, comprising solar wind plasma emitted by the Sun. It extends far beyond the orbit of Pluto, acting as a shield against the interstellar medium, mainly the cosmic rays entering the solar system. Its outer boundary is called the heliopause, where the pressure of the interstellar medium roughly equals the solar wind's pressure.
Wikidata
Heliosphere
The heliosphere is a region of space dominated by the Sun, a sort of bubble of charged particles in the space surrounding the Solar System, "blown" into the interstellar medium by the solar wind. Although electrically neutral atoms from the extra-solar volume can penetrate this bubble, virtually all of the material in the heliosphere emanates from the Sun itself. The Sun's Corona is so hot that particles reach escape velocity, streaming outwards at 300 to 800 km/s producing the solar wind. For the first ten billion kilometers of its radius, the solar wind travels at over 1,000,000 km/h. As it begins to interact with the interstellar medium, it slows down before finally ceasing altogether. The point where the solar wind begins to slow is called the termination shock; the solar wind continues to slow as it passes through the heliosheath leading to a boundary called the heliopause where the interstellar medium and solar wind pressures balance. The termination shock was successfully detected by both Voyager 1 in 2004, and Voyager 2 in 2007. As the sun is moving through space it was assumed that beyond the heliopause there might be a bow shock, similar to a bow wave created as a ship passes through water, where the interstellar medium collides with the heliosphere. However, data from the Interstellar Boundary Explorer suggests that the velocity of the Sun through the interstellar medium is too low for a bow shock to form. Also, Cassini and IBEX data challenged the "heliotail" theory in 2009. Voyager data led to a new theory that the heliosheath has "magnetic bubbles" and a stagnation zone.
Numerology
Chaldean Numerology
The numerical value of heliosphere in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of heliosphere in Pythagorean Numerology is: 3
Examples of heliosphere in a Sentence
The goal is to really understand the physics of how the sun creates and controls the heliosphere( the area around the sun), and why the solar activity changes over time.
Popularity rank by frequency of use
Translations for heliosphere
From our Multilingual Translation Dictionary
Get even more translations for heliosphere »
Translation
Find a translation for the heliosphere definition in other languages:
Select another language:
- - Select -
- 简体中文 (Chinese - Simplified)
- 繁體中文 (Chinese - Traditional)
- Español (Spanish)
- Esperanto (Esperanto)
- 日本語 (Japanese)
- Português (Portuguese)
- Deutsch (German)
- العربية (Arabic)
- Français (French)
- Русский (Russian)
- ಕನ್ನಡ (Kannada)
- 한국어 (Korean)
- עברית (Hebrew)
- Gaeilge (Irish)
- Українська (Ukrainian)
- اردو (Urdu)
- Magyar (Hungarian)
- मानक हिन्दी (Hindi)
- Indonesia (Indonesian)
- Italiano (Italian)
- தமிழ் (Tamil)
- Türkçe (Turkish)
- తెలుగు (Telugu)
- ภาษาไทย (Thai)
- Tiếng Việt (Vietnamese)
- Čeština (Czech)
- Polski (Polish)
- Bahasa Indonesia (Indonesian)
- Românește (Romanian)
- Nederlands (Dutch)
- Ελληνικά (Greek)
- Latinum (Latin)
- Svenska (Swedish)
- Dansk (Danish)
- Suomi (Finnish)
- فارسی (Persian)
- ייִדיש (Yiddish)
- հայերեն (Armenian)
- Norsk (Norwegian)
- English (English)
Word of the Day
Would you like us to send you a FREE new word definition delivered to your inbox daily?
Citation
Use the citation below to add this definition to your bibliography:
Style:MLAChicagoAPA
"heliosphere." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/heliosphere>.
Discuss these heliosphere definitions with the community:
Report Comment
We're doing our best to make sure our content is useful, accurate and safe.
If by any chance you spot an inappropriate comment while navigating through our website please use this form to let us know, and we'll take care of it shortly.
Attachment
You need to be logged in to favorite.
Log In