Tag Archive for 'Tidal tail'

The elliptical galaxy NGC 3561B (upper left) and the spiral galaxy NGC 3561A (lower right) form a shimmering guitar shape in the ongoing merger known collectively as Arp 105. Image credit: NASA / ESA / M. West, Lowell Observatory / Gladys Kober, NASA & Catholic University of America.

Hubble Observes Ongoing Merger of Two Massive Galaxies: Arp 105

Mar 10, 2025 by Enrico de Lazaro

Arp 105 is characterized by a tidal tail of stars and gas more than 362,000 light-years long. The elliptical galaxy NGC 3561B (upper left) and the spiral...

This image shows Arp 72, a galaxy pair that includes NGC 5996 (large spiral galaxy) and NGC 5994 (its smaller companion, in the lower left of the image). The color image was made from separate exposures taken in the visible and infrared regions of the spectrum with Hubble’s Advanced Camera for Surveys (ACS) and the Dark Energy Camera (DECam), which is mounted on NSF’s Víctor M. Blanco 4-m telescope at Cerro Tololo Inter-American Observatory in Chile. Four filters were used to sample various wavelengths. The color results from assigning different hues to each monochromatic image associated with an individual filter. Image credit: NASA / ESA / Hubble / L. Galbany / J. Dalcanton / Dark Energy Survey / DOE / FNAL / DECam / CTIO / NOIRLab / NSF / AURA.

Hubble Captures Star-Forming and Interacting Galaxy Pair

Apr 1, 2024 by Enrico de Lazaro

This amazing view of a pair of spiral galaxies called Arp 72 is a violent collision happening in slow motion, according to the Hubble team. This image...

The galaxy AM 1054-325 has been distorted into an S-shape from a normal pancake-like spiral shape by the gravitational pull of a neighboring galaxy, seen in this Hubble image; a consequence of this is that clusters of newborn stars form along a stretched-out tidal tail for thousands of light-years, resembling a string of pearls. Image credit: NASA / ESA / STScI / Jayanne English, University of Manitoba.

Hubble Finds Clusters of Newborn Stars in Tidal Tails of Merging Galaxy Systems

Feb 8, 2024 by News Staff

Using the NASA/ESA Hubble Space Telescope, astronomers have observed seven interacting galaxy systems that have long, tadpole-like tidal tails of gas,...

This artist’s conception shows the stream of gas and stars that were flung away from a massive galaxy during its merger with a smaller galaxy. Image credit: ALMA / ESO / NAOJ / NRAO / S. Dagnello, NRAO, AUI & NSF.

Massive Galaxy Strips Star-Forming Gas from Smaller Galaxy during Encounter

Aug 30, 2022 by News Staff

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) and the NASA/ESA Hubble Space Telescope have observed SDSS J144845.91+101010.5,...

This WISE multicolor image shows NGC 1605, a binary open cluster located 8,480 light-years away in the constellation of Perseus. It was first discovered on December 11, 1786 by the German-born British astronomer William Herschel. Image credit: NASA / WISE / Camargo, arXiv: 2109.14664.

Astronomer Discovers Ancient Binary Open Cluster in Milky Way

Oct 18, 2021 by Sergio Prostak

An open cluster called NGC 1605 is in fact two merging open clusters with evidence of tidal streams, according to new research by Professor Denilso Camargo...

Color-coded map of the distribution of stars emerging from the star cluster Palomar 5 (white blob); the two long tidal tails (orange) contain 1.3 times the mass of the cluster and delineate its orbit around the Milky Way Galaxy. Image credit: SDSS.

Palomar 5 Contains More Than 100 Stellar-Mass Black Holes: Study

Jul 6, 2021 by Enrico de Lazaro

Palomar 5 is one of the sparsest star clusters in the halo of our Milky Way Galaxy and is best known for its spectacular tidal tails, spanning over 20...