Searches , social queries for SOLAR LONGITUDE
Search references for SOLAR LONGITUDE. Phrases containing SOLAR LONGITUDE
See searches and references containing SOLAR LONGITUDE!
Search references for SOLAR LONGITUDE. Phrases containing SOLAR LONGITUDE
See searches and references containing SOLAR LONGITUDE!SOLAR LONGITUDE
Ecliptic longitude of the Sun
Solar longitude, commonly abbreviated as Ls (pronounced ell sub ess), is the longitude of the Sun as seen from a given body, i.e. the position of the Sun
Solar_longitude
Sixteenth solar term of traditional East Asian calendars
year into 24 solar terms. Qiūfēn, Shūbun, Chubun, or Thu phân is the 16th solar term. It begins when the Sun reaches the celestial longitude of 180° and
Qiufen
Proposed approaches to tracking date and time on the planet Mars
scales were uniform in the sense of mean solar time (i.e., they approximate the mean time of some longitude) and were not adjusted as the rovers traveled
Timekeeping_on_Mars
Period of time for the ecliptic longitude of the Sun to increase 360°
the mean solar time at 0° longitude (the IERS Reference Meridian). Civil time is based on UT (actually UTC), and civil calendars count mean solar days. However
Tropical_year
Differential rotation of the Sun
the plane of the ecliptic was 7.25 degrees and the longitude between the cross point of the solar equator with the ecliptic and the March equinox was
Solar_rotation
Fifteenth solar term of traditional East Asian calendars
dew') is the 15th solar term. It begins when the Sun reaches the celestial longitude of 165° and ends when it reaches the longitude of 180°. It more often
Bailu_(solar_term)
East-West geographic coordinate
Longitude (/ˈlɒndʒɪtjuːd/, AU and UK also /ˈlɒŋɡɪ-/) is a geographic coordinate that specifies the east-west position of a point on the surface of the
Longitude
like the Qingming and winter solstice days, fall on the respective jieqi (solar terms) in the agricultural calendar. China's four recognized festivals are
List of observances set by the Chinese calendar
List_of_observances_set_by_the_Chinese_calendar
Eighteenth solar term of traditional East Asian calendars
descent') is the 18th solar term. It begins when the Sun reaches the celestial longitude of 210° and ends when it reaches the longitude of 225°. It more often
Shuangjiang_(solar_term)
is a transparent circular grid with lines of solar longitude and latitude that can be overlaid on a solar image to reference the positions of sunspots
Stonyhurst_disks
Angle between the orbital plane of a satellite and the vector to the sun
)\sin(\epsilon )\cos(i)]} where Γ {\displaystyle \Gamma } is the ecliptic true solar longitude, Ω {\displaystyle \Omega } is the right ascension of ascending node
Beta_angle
Solar eclipse
A total solar eclipse, nicknamed the Eclipse of the Century, will occur at the Moon's descending node of orbit on Monday, August 2, 2027, with a magnitude
Solar eclipse of August 2, 2027
Solar_eclipse_of_August_2,_2027
Meteor shower
declination +21.2 and exhibit maximum activity around June 28–29 (Solar Longitude=98.3 deg). The maximum hourly rate typically reaches about 25 as seen
Beta_Taurids
Stream of charged particles from the Sun
The solar wind is a stream of charged particles released from the Sun's outermost atmospheric layer, the corona. This plasma mostly consists of electrons
Solar_wind
Total eclipse
A solar eclipse, also called the Great Australasian Eclipse by some media outlets, will occur at the Moon's descending node of orbit on Saturday, July
Solar eclipse of July 22, 2028
Solar_eclipse_of_July_22,_2028
Meteor shower
allowed researchers to determine the exact radiant of the swarm and the solar longitude of its peak as well as to confirm the brevity of Alpha Monocerotid
Alpha_Monocerotids
12 o'clock in the daytime
local or clock time of solar noon depends on the date, longitude, and time zone, with Daylight Saving Time tending to place solar noon closer to 1:00pm
Noon
Second solar term of traditional East Asian calendars
It begins when the Sun reaches the celestial longitude of 330° and ends when it reaches the longitude of 345°. It more often refers in particular to
Yushui_(solar_term)
Twelfth solar term of traditional East Asian calendars
heat") is the 12th solar term. It begins when the Sun reaches the celestial longitude of 120° and ends when it reaches the longitude of 135°. It more often
Dashu_(solar_term)
Seventeenth solar term of traditional East Asian calendars
dew') is the 17th solar term. It begins when the Sun reaches the celestial longitude of 195° and ends when it reaches the longitude of 210°. It more often
Hanlu
Celestial coordinate system used to describe Solar System objects
equinox, the longitude in modern form is 139° 55′ 58″. In China, ecliptic longitude is measured using 24 Solar terms, each of 15° longitude, and are used
Ecliptic_coordinate_system
Star at the centre of the Solar System
The Sun is the star located at the centre of the Solar System. It is a massive sphere of hot plasma, heated to incandescence by nuclear fusion reactions
Sun
Measurement of electromagnetic radiation
that time period. This integrated solar irradiance is called solar irradiation, solar radiation, solar exposure, solar insolation, or insolation. Irradiance
Solar_irradiance
Defining the orbit of an object in space
The longitude of the ascending node, also known as the right ascension of the ascending node, is one of the orbital elements used to specify the orbit
Longitude of the ascending node
Longitude_of_the_ascending_node
Natural phenomena within the Sun's atmosphere
over solar longitude. These particles can escape the Sun's gravity because of their high energy. The solar wind is divided into the slow solar wind and
Solar_phenomena
Future annular solar eclipse
An annular solar eclipse will occur at the Moon's ascending node of orbit on Saturday, February 6, 2027, with a magnitude of 0.9281. A solar eclipse occurs
Solar eclipse of February 6, 2027
Solar_eclipse_of_February_6,_2027
Indian orbiter mission to Mars (2013–2022)
from the usual 0.2 to an erratically higher near 0.4 was recorded on solar longitude 225 which was possibly due to the local injection of dust into atmosphere
Mars_Orbiter_Mission
Fifth solar term of Chinese calendars
Qingming begins when the sun reaches the celestial longitude of 15° and ends when it reaches the longitude of 30°. It more often refers in particular to the
Qingming_(solar_term)
Thirteenth solar term of traditional East Asian calendars
It begins when the Sun reaches the celestial longitude of 135° and ends when it reaches the longitude of 150°. It more often refers in particular to
Liqiu
Meteor shower
an average radiant of RA=217°, DEC=76°, with maximum occurring at a solar longitude of 270.66 deg (about December 22), with the duration being established
Ursids
Total solar eclipse
A total solar eclipse occurred at the Moon's descending node of orbit on Wednesday, 12 August 2026, with a magnitude of 1.0386. Totality occurred in a
Solar eclipse of August 12, 2026
Solar_eclipse_of_August_12,_2026
Eighth solar term of traditional East Asian calendars
year into 24 solar terms. Xiǎomǎn, Shōman, Soman, or Tiểu mãn is the 8th solar term. It begins when the Sun reaches the celestial longitude of 60° and ends
Xiaoman
Event wherein the Sun is obscured by the Moon
A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of Earth, totally or partially
Solar_eclipse
Twenty-first solar term of traditional East Asian calendars
year into 24 solar terms. Dàxuě (Chinese: 大雪; pinyin: dàxuě) is the 21st solar term. It begins when the Sun reaches the celestial longitude of 255° and
Daxue_(solar_term)
Fourth solar term of traditional East Asian calendars
year into 24 solar terms. Chūnfēn, Shunbun, Chunbun, or Xuân phân is the 4th solar term. It begins when the Sun reaches the celestial longitude of 0° and
Chunfen
Celestial coordinate system
Apparent longitude is celestial longitude corrected for aberration and nutation as opposed to mean longitude. Apparent longitude is used in the definition
Apparent_longitude
Periodic storms on Saturn
northern hemisphere tilts most toward the Sun. Usually this is during the solar longitude of around 90-180°, only the 2010 GWS was ahead of its time shortly
Great_White_Spot
Apparent path of the Sun on the celestial sphere
celestial equator. Spherical coordinates, known as ecliptic longitude and latitude or celestial longitude and latitude, are used to specify positions of bodies
Ecliptic
Line of longitude, at which longitude is defined to be 0°
Longitudes for the Earth and Moon are measured from their prime meridian (at 0°) to 180° east and west. For all other Solar System bodies, longitude is
Prime_meridian
Any of 24 moments in traditional East Asian lunisolar calendars
ecliptic longitudes, introduced by the Shixian calendar, is known as dìngqì fǎ (定氣法; 'steady term method'). Under this method, the determination of solar terms
Solar_term
System to specify locations on Earth
determining latitude from stellar measurements rather than solar altitude and determining longitude by timings of lunar eclipses, rather than dead reckoning
Geographic_coordinate_system
Methods to identify locations on the Sun
ecliptic of date, the orientation of the solar equatorial plane is defined by an inclination of 7.25° and a longitude of the ascending node of 75.76° + 1.397°T0
Solar_coordinate_systems
Celestial coordinate system in spherical coordinates, with the Sun as its center
equator from the Galactic Center. Analogous to terrestrial longitude, galactic longitude is usually measured in degrees (°). Latitude (symbol b) measures
Galactic_coordinate_system
Calculation of elapsed time by the apparent position of the sun
Solar time is a calculation of the passage of time based on the position of the Sun in the sky. The fundamental unit of solar time is the day, based on
Solar_time
International prime meridian used for GPS and other systems
called the International Reference Meridian, is the prime meridian (0° longitude) maintained by the International Earth Rotation and Reference Systems
IERS_Reference_Meridian
Time in astronomy
(LMT) is a form of solar time that corrects the variations of local apparent time, forming a uniform time scale at a specific longitude. This measurement
Local_mean_time
Twentieth solar term of traditional East Asian calendars
into 24 solar terms (節氣). Xiǎoxuě (Chinese: 小雪; pinyin: xiǎoxuě) is the 20th solar term. It begins when the Sun reaches the celestial longitude of 240°
Xiaoxue
Twenty-third solar term of traditional East Asian calendars
cold') is the 23rd solar term. It begins when the Sun reaches the celestial longitude of 285° and ends when it reaches the longitude of 300°. It more often
Xiaohan
Sixth solar term of traditional East Asian calendars
a year into 24 solar terms. Gǔyǔ, Kokuu, Gogu, or Cốc vũ is the 6th solar term. It begins when the Sun reaches the celestial longitude of 30° and ends
Guyu
Partial solar eclipse
A partial solar eclipse occurred at the Moon’s descending node of orbit on Sunday, September 21, 2025, with a magnitude of 0.855. A solar eclipse occurs
Solar eclipse of September 21, 2025
Solar_eclipse_of_September_21,_2025
First year of the Martian timekeeping standard
systems. Scientists generally use two sub-units of the Mars Year: the Solar longitude (Ls) system: 360 degrees per Mars Year that represent the position
Mars_Year_1
Line between the poles with the same longitude
it is a coordinate line for longitudes, a line of longitude. The position of a point along the meridian at a given longitude is given by its latitude, measured
Meridian_(geography)
Name Dates (as of 2026) Peak (as of 2026) Solar longitude (λ☉°) RA (hours) Dec (degrees) Ventry (km/s) ZHR Rating Parent body Antihelion Source 10 Dec
List_of_meteor_showers
Trajectory of Earth around the Sun
angle but expresses it in the usual 0–360° range for longitudes. "Sun: Facts & Figures". Solar System Exploration. National Aeronautics and Space Administration
Earth's_orbit
Enigmatic surface features on Mars's southern ice cap
halos was broken into trimesters; the first was 285–295 degrees Ls (Solar Longitude, time in the Martian Year), the second was 295–305 degrees Ls, and
Swiss_cheese_features
Japanese lunisolar calendar
lunisolar system which adopted the Teiki-hō method [ja], dividing solar terms by solar longitude instead of time, unlike the previous Heiki-hō method. It begins
Tenpō_calendar
Calculating the Sun's location in the sky at a given time and place
The time when the Sun transits the observer's meridian depends on the longitude. To find the Sun's position for a given geographic location at a given
Position_of_the_Sun
English astronomer (1826–1875)
Carrington rotation is a system for measuring solar longitude based on his observations of the low-latitude solar rotation rate. Carrington made the initial
Richard Christopher Carrington
Richard_Christopher_Carrington
Time zones in Europe
on longitude. In Europe, the widespread use of Central European Time (CET) causes major variations in some areas from solar time. Based on solar time
Time_in_Europe
Nineteenth solar term of traditional East Asian calendars
winter') is the 19th solar term. It begins when the Sun reaches the celestial longitude of 225° and ends when it reaches the longitude of 240°. It more often
Lidong
Solar term used in East Asian calendars to signify the end of summer
heat') is the 14th solar term that signifies the end of the hot summer season. It begins when the Sun reaches the celestial longitude of 150° and ends when
Chushu
24th term of the traditional Chinese calendar
cold') is the 24th solar term. It begins when the Sun reaches the celestial longitude of 300° and ends when it reaches the longitude of 315°. It more often
Dahan_(solar_term)
Annular Solar eclipse August 28, 180
An annular solar eclipse occurred at the Moon's descending node of orbit on Saturday, August 28, 1802, with a magnitude of 0.9367. A solar eclipse occurs
Solar eclipse of August 28, 1802
Solar_eclipse_of_August_28,_1802
Annular solar eclipse
An annular solar eclipse occurred at the Moon’s ascending node of orbit on Tuesday, February 17, 2026, with a magnitude of 0.963. A solar eclipse occurs
Solar eclipse of February 17, 2026
Solar_eclipse_of_February_17,_2026
Eclipse over Europe and Asia
A total solar eclipse occurred at the Moon's ascending node of orbit on Wednesday, August 11, 1999, with a magnitude of 1.0286. This was one of the most-viewed
Solar eclipse of August 11, 1999
Solar_eclipse_of_August_11,_1999
Total eclipse
A total solar eclipse will occur at the Moon's descending node of orbit on Wednesday, March 30, 2033, with a magnitude of 1.0462. A solar eclipse occurs
Solar eclipse of March 30, 2033
Solar_eclipse_of_March_30,_2033
Timekeeping system on Earth relative to the celestial sphere
precise astrometry. This resulted in the determination of UT1 (mean solar time at 0° longitude) using VLBI, a new measure of the Earth Rotation Angle, and new
Sidereal_time
Future partial solar eclipse
A partial solar eclipse will occur at the Moon's ascending node of orbit on Sunday, January 14, 2029, with a magnitude of 0.8714. A solar eclipse occurs
Solar eclipse of January 14, 2029
Solar_eclipse_of_January_14,_2029
Record of humanity's attempts to find east-west position on Earth
history of longitude describes the centuries-long effort by astronomers, cartographers and navigators to discover a means of determining the longitude (the
History_of_longitude
Future annular solar eclipse
An annular solar eclipse will occur at the Moon's ascending node of orbit on Wednesday, January 26, 2028, with a magnitude of 0.9208. A solar eclipse occurs
Solar eclipse of January 26, 2028
Solar_eclipse_of_January_26,_2028
Annular solar eclipse
13, 2024. JavaScript Solar Eclipse Explorer - Europe (Latitude: 90° 00' 00" N. Longitude: 0° 00' 00" W). NASA "NASA - Annular Solar Eclipse of 2021 June
Solar eclipse of June 10, 2021
Solar_eclipse_of_June_10,_2021
Tenth solar term of traditional East Asian calendars
celestial longitude of 90°. In the Gregorian calendar, this is around 21 June, and the Xiazhi period ends with the beginning of the next solar term, Xiaoshu
Xiazhi
Semi-annual astronomical event where the Sun is directly above the Earth's equator
A solar equinox is a moment in time when the Sun appears directly above the equator, rather than to its north or south. On the day of the equinox, the
Equinox
Line of longitude
(secondary coordinates) The meridian 75° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America
75th_meridian_west
Total eclipse
A total solar eclipse will occur at the Moon's descending node of orbit between Saturday, December 25 and Sunday, December 26, 2038, with a magnitude
Solar eclipse of December 26, 2038
Solar_eclipse_of_December_26,_2038
Astronomical event where one body is hidden by another
a bigger one. The term eclipse is most often used to describe either a solar eclipse, when the Moon's shadow crosses the Earth's surface, or a lunar
Eclipse
Seventh solar term of traditional East Asian calendars
celestial longitude of 45°. In the Gregorian calendar, this is around May 5, and the Lixia period ends with the beginning of the next solar term, Xiaoman
Lixia
Equation to derive time of sunset and sunrise
to derive the time of sunrise or sunset for any solar declination and latitude in terms of local solar time when sunrise and sunset actually occur. The
Sunrise_equation
Future partial solar eclipse
A partial solar eclipse will occur at the Moon's descending node of orbit on Tuesday, June 12, 2029, with a magnitude of 0.4576. A solar eclipse occurs
Solar eclipse of June 12, 2029
Solar_eclipse_of_June_12,_2029
Total eclipse
A total solar eclipse will occur at the Moon's descending node of orbit between Monday, August 22 and Tuesday, August 23, 2044, with a magnitude of 1
Solar eclipse of August 23, 2044
Solar_eclipse_of_August_23,_2044
Ninth solar term of traditional East Asian calendars
is the ninth of twenty-four solar terms in the Chinese calendar year. It begins when the Sun reaches the celestial longitude of 75 degrees, which usually
Mangzhong
Eleventh solar term of traditional East Asian calendars
solar term, in the traditional chinese lunisolar calendar which divides a year into 24 ones. It begins when the Sun reaches the celestial longitude of
Xiaoshu
Future annular solar eclipse
An annular solar eclipse will occur at the Moon's descending node of orbit on Saturday, June 1, 2030, with a magnitude of 0.9443. A solar eclipse occurs
Solar_eclipse_of_June_1,_2030
Type of geocentric orbit
passes over any given point of the planet's surface at the same local mean solar time. More technically, it is an orbit arranged so that, for each revolution
Sun-synchronous_orbit
Future partial solar eclipse
A partial solar eclipse will occur at the Moon's ascending node of orbit on Wednesday, December 5, 2029, with a magnitude of 0.8911. A solar eclipse occurs
Solar eclipse of December 5, 2029
Solar_eclipse_of_December_5,_2029
Total eclipse
A total solar eclipse will occur at the Moon's ascending node of orbit on Monday, May 1, 2079, with a magnitude of 1.0512. A solar eclipse occurs when
Solar_eclipse_of_May_1,_2079
Future partial solar eclipse
A partial solar eclipse will occur at the Moon's descending node of orbit on Wednesday, July 11, 2029, with a magnitude of 0.2303. A solar eclipse occurs
Solar eclipse of July 11, 2029
Solar_eclipse_of_July_11,_2029
Annular solar eclipse
An annular solar eclipse occurred at the Moon’s descending node of orbit on Saturday, October 14, 2023, with a magnitude of 0.952. A solar eclipse occurs
Solar eclipse of October 14, 2023
Solar_eclipse_of_October_14,_2023
20th-century annular solar eclipse
An annular solar eclipse occurred at the Moon's ascending node of orbit on Friday, August 11, 1961, with a magnitude of 0.9375. A solar eclipse occurs
Solar eclipse of August 11, 1961
Solar_eclipse_of_August_11,_1961
Total eclipse
A total solar eclipse will occur at the Moon's ascending node of orbit on Monday, July 13, 2037, with a magnitude of 1.0413. A solar eclipse occurs when
Solar eclipse of July 13, 2037
Solar_eclipse_of_July_13,_2037
Total eclipse
A total solar eclipse will occur at the Moon's ascending node of orbit between Saturday, April 19 and Sunday, April 20, 2042, with a magnitude of 1.0614
Solar eclipse of April 20, 2042
Solar_eclipse_of_April_20,_2042
Total eclipse over North America
A total solar eclipse will occur at the Moon's descending node of orbit on Saturday, August 12, 2045, with a magnitude of 1.0774. A solar eclipse occurs
Solar eclipse of August 12, 2045
Solar_eclipse_of_August_12,_2045
Total eclipse
A total solar eclipse occurred at the Moon's ascending node of orbit on Friday, April 8, 2005, with a magnitude of 1.0074. It was a hybrid event, a narrow
Solar eclipse of April 8, 2005
Solar_eclipse_of_April_8,_2005
Future annular solar eclipse
An annular solar eclipse will occur at the Moon's ascending node of orbit on Tuesday, September 12, 2034, with a magnitude of 0.9736. A solar eclipse occurs
Solar eclipse of September 12, 2034
Solar_eclipse_of_September_12,_2034
Period of 54 years and 33 days
eclipses one exeligmos apart: Exeligmos table of solar saros 136. Each eclipse occurs at roughly the same longitude but moves about 5-15 degrees in latitude with
Exeligmos
Coordinate system for planets
programs. Apparent longitude Areography (geography of Mars) Astronomical coordinate systems List of tallest mountains in the Solar System Planetary cartography
Planetary_coordinate_system
Third solar term of traditional East Asian calendars
is the 3rd of the 24 solar terms (節氣) in the traditional Chinese calendars. It begins when the Sun reaches the celestial longitude of 345° and ends when
Jingzhe
Alias for the UTC+00:00 time zone
it is considered equivalent to UT1 (the modern form of mean solar time at 0° longitude); but this meaning can differ from UTC by up to 0.9 s. The term
Greenwich_Mean_Time
Future partial solar eclipse
A partial solar eclipse will occur at the Moon's ascending node of orbit on Thursday, August 21, 2036, with a magnitude of 0.8622. A solar eclipse occurs
Solar eclipse of August 21, 2036
Solar_eclipse_of_August_21,_2036
Meteor shower observatory
half maximum duration of only 0.46 degrees centered on 1.41 degree solar longitude. Strong activity from the beta Tucanids (IAU number 108) detected,
Cameras for All-Sky Meteor Surveillance
Cameras_for_All-Sky_Meteor_Surveillance
travel, tourism, insurance
SOLAR LONGITUDE
SOLAR LONGITUDE
SOLAR LONGITUDE
SOLAR LONGITUDE
SOLAR LONGITUDE
SOLAR LONGITUDE
SOLAR LONGITUDE
SOLAR LONGITUDE
SOLAR LONGITUDE
travel, tourism, insurance