Tried searching but wasn’t having much luck. Can someone give me a sense of how many failed launches NASA had? Like failed without lives onboard?
Quick search without any verification/cross checking yielded this. Report from post Challenger incident. https://www.nasa.gov/history/rogersrep/v2appf.htm “An estimate of the reliability of solid rockets was made by the range safety officer, by studying the experience of all previous rocket flights. Out of a total of nearly 2,900 flights, 121 failed (1 in 25). This includes, however, what may be called, early errors, rockets flown for the first few times in which design errors are discovered and fixed. A more reasonable figure for the mature rockets might be 1 in 50. With special care in the selection of parts and in inspection, a figure of below 1 in 100 might be achieved but 1 in 1,000 is probably not attainable with today's technology. (Since there are two rockets on the Shuttle, these rocket failure rates must be doubled to get Shuttle failure rates from Solid Rocket Booster failure.)”
We have new land based telescope that recently went online in Chile. NSF-DOE Rubin Observatory @VRubinObs Rubin will #CaptureTheCosmos in exquisite detail starting in 2025 Funded by @NSF and @DOEScience Para español: http://instagram.com/rubin_observatory The Vera C. Rubin Observatory, formerly known as the Large Synoptic Survey Telescope (LSST), is an astronomical observatory in Chile. Its main task will be an astronomical survey of the entire sky every day, creating a kind of time-lapse movie of the universe, the Legacy Survey of Space and Time (also abbreviated LSST).[2][3] The observatory is located on the El Peñón peak of Cerro Pachón, a 2,682-meter-high (8,799 ft) mountain in Coquimbo Region, in northern Chile, alongside the existing Gemini South and Southern Astrophysical Research Telescopes.[4] The Rubin Observatory base facility is located about 100 kilometres (62 miles) away from the observatory by road, in the city of La Serena. The observatory is named for Vera Rubin, an American astronomer who pioneered discoveries about galactic rotation rates. Vera C. Rubin Observatory is a joint initiative of the U.S. National Science Foundation (NSF) and the U.S. Department of Energy's Office of Science and is operated jointly by NSF NOIRLab and SLAC National Accelerator Laboratory.[5] The Rubin Observatory houses the Simonyi Survey Telescope,[6] a wide-field reflecting telescope with an 8.4-meter primary mirror[7][8] that can photograph the entire available sky every few nights.[9] The telescope uses a variant of three-mirror anastigmat, which allows the compact telescope to deliver sharp images over a very wide 3.5-degree-diameter field of view. Images are recorded by a 3.2-gigapixel charge-coupled device imaging (CCD) camera, the largest digital camera ever constructed.[10]
apparently it’s actually 33.8 billion light years away in true distance now since the universe has been expanding. the 13 billion light years is just the time the light took to get here. mind blowing
This is the central region of the Bullet Cluster, which is made up of two massive galaxy clusters. The vast number of galaxies and foreground stars in the image were captured by NASA’s James Webb Space Telescope in near-infrared light. Glowing, hot X-rays captured by NASA’s Chandra X-ray Observatory appear in pink. The blue represents the dark matter, which was precisely mapped by researchers with Webb’s detailed imaging. Normally, gas, dust, stars, and dark matter are combined into galaxies, even when they are gravitationally bound within larger groups known as galaxy clusters. The Bullet Cluster is unusual in that the intracluster gas and dark matter are separated, offering further evidence in support of dark matter. (See the defined galaxy clusters within the dashed circles.) NASA’s James Webb Space Telescope captured the central region of the Bullet Cluster with its NIRCam (Near-Infrared Camera). The scene contains two massive galaxy clusters that sit on either side of the large, light blue spiral galaxy at the center. Webb’s extremely precise images revealed many more distant galaxies and faint objects, allowing a research team to refine the amount of mass in the two galaxy clusters.
A report on the Dart mission. It worked but with complications. https://cmns.umd.edu/news-events/ne...mission-complicate-future-asteroid-deflection