Over the Andromeda Galaxy's lifetime, nearly half of the heavy elements made by its stars have been ejected far beyond the galaxy's 200,000-light-year-diameter stellar disk. Luminosity estimates. Compared to the Milky Way, the Andromeda Galaxy appears to have predominantly older stars with ages >7 × 10 9 … See more The Andromeda Galaxy , also known as Messier 31, M31, or NGC 224 and originally the Andromeda Nebula, is a barred spiral galaxy with the diameter of about 46.56 kiloparsecs (152,000 light-years) approximately 765 … See more The estimated distance of the Andromeda Galaxy from our own was doubled in 1953 when it was discovered that there is another, dimmer type of Cepheid variable star. … See more The Andromeda Galaxy is known to harbor a dense and compact star cluster at its very center. A large telescope creates a visual … See more There are approximately 460 globular clusters associated with the Andromeda Galaxy. The most massive of these clusters, identified as Mayall II, nicknamed Globular One, has a greater luminosity than any other known globular cluster in the See more Andromeda has been visible to the naked eye, given dark skies, throughout history; as such, it cannot be said to have been "discovered" by any one individual. Around the year 964, the See more Based on its appearance in visible light, the Andromeda Galaxy is classified as an SA(s)b galaxy in the de Vaucouleurs–Sandage extended classification system of … See more Apparently, by late 1968, no X-rays had been detected from the Andromeda Galaxy. A balloon flight on 20 October 1970, set an upper … See more WebThe Hubble Space Telescope has given humanity an aperture to the universe for more than three decades. Its discoveries have fundamentally enhanced our understanding of the cosmos. This legacy reflects the work of the telescope’s namesake, renowned 20th century astronomer Edwin Powell Hubble.
Andromeda Galaxy NASA
WebAndromeda holds a grave secret To most telescopes, Andromeda’s giant stellar stream will look like a wispy cloud that orbits the galaxy like a huge celestial ring. In fact, this is the remains of an ancient companion that was ripped up … WebApr 17, 2024 · It is almost a certainty that the Andromeda Galaxy contains millions or even billions of planets orbiting around its many stars, however, none of them have been fully … mighty carving knife chainsaw
Galaxies Science Mission Directorate - NASA
WebApr 12, 2024 · astronomy space Astronomers have found 208 stars scattered across the outermost reaches of the Milky Way galaxy. The most distant of them, which is more than a million light-years away from Earth, exists at the very edge of the galaxy, nearly half the distance to the Milky Way’s largest cosmic neighbor, the Andromeda Galaxy. WebMar 5, 2014 · Assuming that human beings, or life, still exists on Earth at that time, they will have survived so much due to the ongoing death of the sun, that the gravitational … WebWhat did Edwin Hubble study in the Andromeda Galaxy that proved it was an individual galaxy and not part of our own Milky Way? Cepheid Stars This disks of spiral galaxies appear blue because.. they contain active regions of star formation Which of the following would NOT be found in an elliptical galaxy? Type II supernovae mighty carver knife