Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Install
Faster access than browser!
 

Messier 71

+ Save concept

Messier 71 (also known as M71 or NGC 6838) is a globular cluster in the constellation Sagitta. [1]

29 relations: Astronomer, Brady Haran, Charles Messier, Comet, Constellation, Dresden, Earth, Epoch (astronomy), European Space Agency, Globular cluster, Hertzsprung–Russell diagram, Horizontal branch, Hubble Space Telescope, Hydra (constellation), Jean-Philippe de Chéseaux, Johann Gottfried Koehler, Light-year, Messier 68, Metallicity, Monthly Notices of the Royal Astronomical Society, NASA, New General Catalogue, Open cluster, Photometry (astronomy), RR Lyrae variable, Sagitta, Sky-Map.org, Space Telescope Science Institute, Variable star.

Astronomer

An astronomer is a scientist in the field of astronomy who concentrates their studies on a specific question or field outside the scope of Earth.

New!!: Messier 71 and Astronomer · See more »

Brady Haran

Brady John Haran (born 18 June 1976) is an Australian-born British independent filmmaker and video journalist who is known for his educational videos and documentary films produced for BBC News and his YouTube channels, the most notable being Periodic Videos and Numberphile.

New!!: Messier 71 and Brady Haran · See more »

Charles Messier

Charles Messier (26 June 1730 – 12 April 1817) was a French astronomer most notable for publishing an astronomical catalogue consisting of nebulae and star clusters that came to be known as the 110 "Messier objects".

New!!: Messier 71 and Charles Messier · See more »

Christmas

Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

New!!: Messier 71 and Christmas · See more »

Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

New!!: Messier 71 and Christmas and holiday season · See more »

Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

New!!: Messier 71 and Christmas Eve · See more »

Christmas traditions

Christmas traditions vary from country to country.

New!!: Messier 71 and Christmas traditions · See more »

Comet

A comet is an icy small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing.

New!!: Messier 71 and Comet · See more »

Constellation

A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.

New!!: Messier 71 and Constellation · See more »

Dresden

Dresden (Upper and Lower Sorbian: Drježdźany, Drážďany, Drezno) is the capital city and, after Leipzig, the second-largest city of the Free State of Saxony in Germany.

New!!: Messier 71 and Dresden · See more »

Earth

Earth is the third planet from the Sun and the only astronomical object known to harbor life.

New!!: Messier 71 and Earth · See more »

Epoch (astronomy)

In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time.

New!!: Messier 71 and Epoch (astronomy) · See more »

European Space Agency

The European Space Agency (ESA; Agence spatiale européenne, ASE; Europäische Weltraumorganisation) is an intergovernmental organisation of 22 member states dedicated to the exploration of space.

New!!: Messier 71 and European Space Agency · See more »

Globular cluster

A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite.

New!!: Messier 71 and Globular cluster · See more »

Hertzsprung–Russell diagram

The Hertzsprung–Russell diagram, abbreviated H–R diagram, HR diagram or HRD, is a scatter plot of stars showing the relationship between the stars' absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.

New!!: Messier 71 and Hertzsprung–Russell diagram · See more »

Horizontal branch

The horizontal branch (HB) is a stage of stellar evolution that immediately follows the red giant branch in stars whose masses are similar to the Sun's.

New!!: Messier 71 and Horizontal branch · See more »

Hubble Space Telescope

The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.

New!!: Messier 71 and Hubble Space Telescope · See more »

Hydra (constellation)

Hydra is the largest of the 88 modern constellations, measuring 1303 square degrees.

New!!: Messier 71 and Hydra (constellation) · See more »

Jean-Philippe de Chéseaux

Jean-Philippe Loys de Chéseaux (May 4, 1718 in Lausanne – November 30, 1751) was an astronomer from Lausanne in Switzerland.

New!!: Messier 71 and Jean-Philippe de Chéseaux · See more »

Johann Gottfried Koehler

Johann Gottfried Koehler (15 December 1745 – 19 September 1801) was a German astronomer who discovered a number of nebulae, star clusters, and galaxies.

New!!: Messier 71 and Johann Gottfried Koehler · See more »

Light-year

The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.

New!!: Messier 71 and Light-year · See more »

Messier 68

Messier 68 (also known as M68 or NGC 4590) is a globular cluster in the equatorial constellation Hydra.

New!!: Messier 71 and Messier 68 · See more »

Metallicity

In astronomy, metallicity is used to describe the abundance of elements present in an object that are heavier than hydrogen or helium.

New!!: Messier 71 and Metallicity · See more »

Monthly Notices of the Royal Astronomical Society

Monthly Notices of the Royal Astronomical Society (MNRAS) is a peer-reviewed scientific journal covering research in astronomy and astrophysics.

New!!: Messier 71 and Monthly Notices of the Royal Astronomical Society · See more »

NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

New!!: Messier 71 and NASA · See more »

New General Catalogue

The New General Catalogue of Nebulae and Clusters of Stars (abbreviated as NGC) is a catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888.

New!!: Messier 71 and New General Catalogue · See more »

New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

New!!: Messier 71 and New Year · See more »

New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

New!!: Messier 71 and New Year's Day · See more »

New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

New!!: Messier 71 and New Year's Eve · See more »

Open cluster

An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud and have roughly the same age.

New!!: Messier 71 and Open cluster · See more »

Photometry (astronomy)

Photometry is a technique of astronomy concerned with measuring the flux, or intensity of an astronomical object's electromagnetic radiation.

New!!: Messier 71 and Photometry (astronomy) · See more »

RR Lyrae variable

RR Lyrae variables are periodic variable stars, commonly found in globular clusters.

New!!: Messier 71 and RR Lyrae variable · See more »

Sagitta

Sagitta is a dim but distinctive constellation in the northern sky.

New!!: Messier 71 and Sagitta · See more »

Sky-Map.org

Sky-Map.org (or WikiSky.org) is a wiki and interactive sky map that covers more than half a billion celestial objects.

New!!: Messier 71 and Sky-Map.org · See more »

Space Telescope Science Institute

The Space Telescope Science Institute (STScI) is the science operations center for the Hubble Space Telescope (HST; in orbit since 1990) and for the James Webb Space Telescope (JWST; scheduled to be launched in March 2021).

New!!: Messier 71 and Space Telescope Science Institute · See more »

Variable star

A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.

New!!: Messier 71 and Variable star · See more »

2018

2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

New!!: Messier 71 and 2018 · See more »

2019

2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

New!!: Messier 71 and 2019 · See more »

Redirects here:

Globular Cluster M71, M 71, Messier Object 71, NGC 6838.

References

[1] https://en.wikipedia.org/wiki/Messier_71

OutgoingIncoming
Hey! We are on Facebook now! »