A NASA Hubble Space Telescope (HST) view of the magnificent spiral galaxy NGC 4603, the most distant galaxy in which a special class of pulsating stars called Cepheid variables have been found. It is associated with the Centaurus cluster, one of the most massive assemblages of galaxies in the nearby universe. The Local Group of galaxies, of which the Milky Way is a member, is moving in the direction of Centaurus at a speed of more than a million miles an hour under the influence of the gravitational pull of the matter in that direction. Clusters of young bright blue stars highlight the galaxy' Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-a-nasa-hubble-space-telescope-hst-view-of-the-magnificent-spiral-galaxy-111969622.html
RMGE4JB2–A NASA Hubble Space Telescope (HST) view of the magnificent spiral galaxy NGC 4603, the most distant galaxy in which a special class of pulsating stars called Cepheid variables have been found. It is associated with the Centaurus cluster, one of the most massive assemblages of galaxies in the nearby universe. The Local Group of galaxies, of which the Milky Way is a member, is moving in the direction of Centaurus at a speed of more than a million miles an hour under the influence of the gravitational pull of the matter in that direction. Clusters of young bright blue stars highlight the galaxy'
Henrietta Swan Leavitt. Portrait of the American astronomer, Henrietta Swan Leavitt (1868-1921) Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/henrietta-swan-leavitt-portrait-of-the-american-astronomer-henrietta-swan-leavitt-1868-1921-image504841660.html
RM2M99EK8–Henrietta Swan Leavitt. Portrait of the American astronomer, Henrietta Swan Leavitt (1868-1921)
Henrietta Swan Leavitt 1868-1921 American Astronomer Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/henrietta-swan-leavitt-1868-1921-american-astronomer-image418221848.html
RM2F8BJ6G–Henrietta Swan Leavitt 1868-1921 American Astronomer
Henrietta Swan Leavitt. Portrait of the American astronomer, Henrietta Swan Leavitt (1868-1921), c. 1910 Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/henrietta-swan-leavitt-portrait-of-the-american-astronomer-henrietta-swan-leavitt-1868-1921-c-1910-image504673886.html
RM2M91TKA–Henrietta Swan Leavitt. Portrait of the American astronomer, Henrietta Swan Leavitt (1868-1921), c. 1910
Spiral Galaxies with catalog number, host of Cepheid Variables and Supernovae. Elements of this picture furnished by NASA Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/spiral-galaxies-with-catalog-number-host-of-cepheid-variables-and-supernovae-elements-of-this-picture-furnished-by-nasa-image479011697.html
RF2JR8T8H–Spiral Galaxies with catalog number, host of Cepheid Variables and Supernovae. Elements of this picture furnished by NASA
Henrietta Leavitt (1868-1921), US astronomer. Leavitt graduated from Radcliffe College in 1892, and joined the Harvard College Observatory in 1895. Her early work on the photographic magnitudes of stars led to her work on Cepheid variables. Using plates m Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-henrietta-leavitt-1868-1921-us-astronomer-leavitt-graduated-from-radcliffe-104020433.html
RMG16F3D–Henrietta Leavitt (1868-1921), US astronomer. Leavitt graduated from Radcliffe College in 1892, and joined the Harvard College Observatory in 1895. Her early work on the photographic magnitudes of stars led to her work on Cepheid variables. Using plates m
Spiral galaxy NGC 3370 Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-spiral-galaxy-ngc-3370-55427866.html
RFD64XPJ–Spiral galaxy NGC 3370
. THE GREAT CLUSTER (Mij) IN HERCt'I.ES. of computing mean distances used by Kapteyn and Van Rhijn is of low weight." The average velocity of these stars, Dr. Shapley states, is comparable with the average velocity of globular clusters. " This may indicate that many of the cluster variables of the galaxy were originally members of the same extra-galactic cluster or cloud." In a recent paper Dr. R. E. Wilson discusses the proper motions of seventy Cepheid variables. From a study of the known radial velocities of a few, Dr. ^^â iJson deduces the velocity of the Sun relative to t Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/the-great-cluster-mij-in-hercties-of-computing-mean-distances-used-by-kapteyn-and-van-rhijn-is-of-low-weightquot-the-average-velocity-of-these-stars-dr-shapley-states-is-comparable-with-the-average-velocity-of-globular-clusters-quot-this-may-indicate-that-many-of-the-cluster-variables-of-the-galaxy-were-originally-members-of-the-same-extra-galactic-cluster-or-cloudquot-in-a-recent-paper-dr-r-e-wilson-discusses-the-proper-motions-of-seventy-cepheid-variables-from-a-study-of-the-known-radial-velocities-of-a-few-dr-ijson-deduces-the-velocity-of-the-sun-relative-to-t-image180027234.html
RMMCTXG2–. THE GREAT CLUSTER (Mij) IN HERCt'I.ES. of computing mean distances used by Kapteyn and Van Rhijn is of low weight." The average velocity of these stars, Dr. Shapley states, is comparable with the average velocity of globular clusters. " This may indicate that many of the cluster variables of the galaxy were originally members of the same extra-galactic cluster or cloud." In a recent paper Dr. R. E. Wilson discusses the proper motions of seventy Cepheid variables. From a study of the known radial velocities of a few, Dr. ^^â iJson deduces the velocity of the Sun relative to t
Henrietta Swan Leavitt 1868-1921 American Astronomer Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/henrietta-swan-leavitt-1868-1921-american-astronomer-image418221847.html
RM2F8BJ6F–Henrietta Swan Leavitt 1868-1921 American Astronomer
Harlow Shapley, American Astronomer Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-harlow-shapley-american-astronomer-135041446.html
RMHRKJMP–Harlow Shapley, American Astronomer
Harlow Shapley, American Astronomer Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-harlow-shapley-american-astronomer-135044158.html
RMHRKP5J–Harlow Shapley, American Astronomer
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