The Perseus cluster black hole's B-flat, by contrast, is 57 octaves below middle C or one million, billion times lower than the lowest sound audible to the human ear! Perseus News and Updates. by neufer » Wed Nov 18, 2020 1:44 pm, Post featured, along with a brief explanation written by a professional astronomer. It contains several blue stars, the … In terms of frequency (the time it takes a single sound wave to pass by), the lowest sounds a person can hear is 1/20th of a second. In addition to being physically close together, the clusters' ages based on their individual stars are similar - evidence that both clusters were likely a product of the same star … The nebula to its upper left is the California Nebula, and below it is the Pleiades star cluster. The double star cluster is easily observed with the use of a small telescope. I have not done that many star clusters, but this is one of the most popular to image. Photo: CELESTIAL IMAGE CO. / SCIENCE PHOTO LIBRARY. NASA Web Most star clusters are singularly impressive. Please visit the Perseus Updates blog for news on project activities, research, and initiatives. This pair of open clusters lie about 7,000 light-years away from Earth. It is located near several other constellations named after ancient Greek legends surrounding Perseus, including Andromeda to the west and Cassiopeia to the north. In addition to being physically close together, the clusters' ages based on their individual stars are similar - evidence that both clusters were likely a product of the same star … The Perseus Cluster is one of the most massive objects in the Universe, and contains thousands of galaxies immersed in an enormous cloud of superheated gas. This means that the vehicle is in development but it is not yet ready to display in your Hangar or to drive in Star Citizen. by johnnydeep » Wed Nov 18, 2020 3:49 pm, Post The Perseus Galaxy Cluster This cluster contains about five hundred galaxies located approximately 250 million light years away towards the northern constellation of Perseus. Photo: azzkicker7283. but are separated by only hundreds of light years. It also contains hundreds of stars … These are the most well-known smaller (non-supermassive) black holes in the constellation Perseus. It is one of the 48 ancient constellations listed by the 2nd-century astronomer Ptolemy, and among the 88 modern constellations defined by the International Astronomical Union (IAU). April 24, 2019: Current Projects and Initiatives clusters were likely a product of the same Other bright members of the cluster include Delta, Epsilon, and Psi Persei. An older, less massive cluster, Hodge 301, is at upper right. however, could be considered doubly impressive. These two related star clusters belong to the best targets for small instruments. We invite you to contact us via email to the Perseus webmaster if you have any comments, questions, or concerns. ... Perseus cluster. The Double Cluster in Perseus (NGC 869 and NGC 884) are two open clusters in the constellation Perseus. Looking at the double cluster through binoculars is a beautiful sight, with both clusters of stars looking like two worlds dancing together. In his hand he holds the head of Medusa, which is represented by the star Algol. A Double Star Cluster in Perseus Explanation: Most star clusters are singularly impressive.Open clusters NGC 869 and NGC 884, however, could be considered doubly impressive. Black Holes in Perseus. by johnnydeep » Wed Nov 18, 2020 7:43 pm, Post double cluster. In the early 19th century William Herschel was the first to recognize the object as two separate clusters. Combining data from NASA's Chandra X-ray Observatory with radio observations and computer simulations, scientists have found a vast wave of hot gas in the Perseus galaxy cluster.Spanning some 200,000 light years, the wave is about twice the size of the Milky Way galaxy.. The doublet is evaluated in terms of magnitude and color with help of the Hertzsprung-Russell diagram. The Double Cluster has been known since ancient times, but first catalogued only around 130 BC, when the Greek astronomer Hipparchos mentioned it as a “nebula” or “cloudy spot” in his writings. Our results for this cluster of clusters or family suggest that within a coherent cloud complex the first generation of star formation is triggered by the shock wave induced by a spiral arm. The Tarantula Nebula with large open cluster NGC 2070, at the center of which is compact massive cluster R136. The RSI Perseus is being offered for the first time as a limited vehicle concept pledge. Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. The Alpha Persei Cluster is an open star cluster in Perseus. Its brightest star is Mirfak ("elbow" in Arabic), but its most famous star is Algol, better known as the Demon Star. by Ann » Wed Nov 18, 2020 6:10 am, Post The Spitzer image of the Perseus Molecular Cloud superposed on a much area of the sky in visible light, with constellations marked. Each day a different image or photograph of our fascinating universe is In addition to being physically close together, the clusters' ages based on their individual stars are similar - evidence that both clusters were likely a product of the same star-forming region. Perseus is located in the Milky Way and covers an area of 615 square degrees. Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. Trumpler 2 is an interesting open cluster due west of eta Pers - STF 307. The clusters are over 7,000 light years distant toward the constellation of Perseus, but are separated by only hundreds of light years. The picture (right) captures an area about 1.5 million light years wide. The clusters were likely formed in the same star forming cloud in the Perseus Arm of the Milky Way and both belong to the Perseus OB1 association, a group of extremely massive stars. their individual stars are similar - evidence that both The number of stars jumps significantly when a telescope is used to view the individual clusters. & Michigan Tech. Just as zero is not equal to infinity, everything coming from nothing is illogical. Star cluster Messier 6. The Perseus cluster is also fairly close to the plane of the Milky Way, so a lot of the faintest points of light in this image are actually foreground stars … However, only two of these are prominent from light-polluted locations: Mirfak and Algol . by Ann » Wed Nov 18, 2020 7:54 pm, Post Thank you Ann and Bruce. by Ann » Wed Nov 18, 2020 4:14 pm, Post Diffuse globular cluster NGC 5053 (left) and rich globular cluster M53 (right). Authors & editors: of Perseus, It was quite impressive! Located on the edge of the Perseus Constellation, the collection of gas and dust is about 1,000 light-years from Earth and about 500 light-years wide. Perseus is also bordered by Aries and Taurus to the south, Aurigato the e… Each of the Perseus clusters contains approximately 250 stars that are visible in 7-power binoculars. by neufer » Wed Nov 18, 2020 4:43 pm, Post The stars Mirfak, δ, ε and ζ form the body of Perseus. This one is best in high quality (attach &fmt=18 to the URL). Perseus is the 24th largest constellation in the sky. NASA Official: Phillip Newman The Bridge: Discuss an Astronomy Picture of the Day, ↳   The Bridge: Discuss an Astronomy Picture of the Day, ↳   Ship's Log: APOD Retrospectives and Collections, ↳   The Library: Information Desk and Educational Resources, ↳   The Communications Center: Breaking Science News, ↳   The Observation Deck: Latest Sky Photography, ↳   The Asterisk Café: Discuss Anything Astronomy Related, ↳   Classroom: Extraordinary Concepts in Physics, ↳   The Planetarium: Astronomy Seminar of the Week (ASOW), ↳   The Science Labs: Participate in Citizen Science or Smartphone Science, APOD: A Double Star Cluster in Perseus (2020 Nov 18), Re: APOD: A Double Star Cluster in Perseus (2020 Nov 18), https://en.wikipedia.org/wiki/Double_Cluster. constellation However, the true nature of the Double Cluster was not discovered until the invention of the telescope, many centuries later. Also known as "h and chi Persei", this unusual double cluster, shown above, is bright enough to be seen from a dark location without even binoculars.Although their discovery surely predates recorded history, the … Although black holes cannot be seen directly, the smaller ones are at the center of some star clusters and supernova remnant nebulae, which can be seen. It is one of the 48 ancient constellations listed by the 2nd-century astronomer Ptolemy, and among the 88 modern constellations defined by the International Astronomical Union. I feel like most people's comments on the images we get are so intelligent and/or clever and I'm like, "Oooh, pretty!". notably cataloged the binoculars. based on dark location without even This annotated image, Figure 2, of the Perseus Molecular Cloud, provided by NASA's Spitzer Space Telescope, shows the location of various star clusters, including NGC 1333. GSFC Although their discovery surely predates When we gaze that way, we’re looking toward the outskirts of the Milky Way Galaxy. Also evaluated are the evolution and lifetime of the pair, as well as chemical composition and size (3900 solar masses for h-Perseus … Hipparchus The star complex formed by the cluster family appears to be inclined ∼30° with respect to the plane of the Milky Way but is part of the Perseus arm. Open clusters NGC 869 and NGC 884, One night decades ago I came across the Double Cluster by accident while randomly scanning the sky with a pair of new binoculars. The estimated age of the cluster … by Ann » Wed Nov 18, 2020 4:38 pm, Post Explanation: So the conclusion I take from this is that this double (open) cluster in Perseus really is unique, in that the two separate clusters are about the same size and age, and are physically close to each other (not just optically). 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