The HST cost approximately $2.5 billion to build and launch, while the JWST has a total cost of approximately $10 billion. It has also faced numerous delays and cost overruns, pushing its launch date back several times. The telescope has undergone extensive testing to ensure that it can withstand the extreme conditions of space and operate at peak performance. The construction of the JWST has been a complex and challenging process. These instruments include a near-infrared camera, a mid-infrared instrument, a near-infrared spectrograph, and a fine guidance sensor. The JWST is also equipped with a number of advanced instruments that will allow it to capture images and data from the far reaches of the universe. Its primary mirror is 6.5 meters (21.3 feet) in diameter, which is more than twice the size of the Hubble's mirror. The JWST has a much larger mirror than the Hubble, which will allow it to capture more light and observe fainter objects in the universe. It is designed to be the successor to the Hubble Space Telescope, which has been in operation since 1990. The JWST is a collaboration between NASA, the European Space Agency (ESA), and the Canadian Space Agency (CSA). It highlights their differences in launch date, cost, primary mirror size, mission, sensitivity, instruments, construction, launch vehicle, and expected lifespan. This table provides a side-by-side comparison of the Hubble Space Telescope and the James Webb Space Telescope. Near-infrared camera, mid-infrared instrument, near-infrared spectrograph, fine guidance sensorĬonstructed on Earth and transported to launch site Wide-field camera, cosmic origins spectrograph, high-resolution camera More sensitive than HST due to larger mirror and advanced technology Less sensitive than JWST due to smaller mirror and older technology Study infrared light emitted by objects in the universe Study visible and ultraviolet light emitted by stars and galaxies Hubble vs James Webb Telescope Hubble Space Telescope The JWST's ability to capture images and data from the far reaches of the universe will allow us to better understand the formation and evolution of galaxies, stars, and planets. The larger mirror and more advanced instruments of the JWST give it a significant advantage over the HST in terms of sensitivity and resolution. The HST was primarily designed to study the visible and ultraviolet light emitted by stars and galaxies, while the JWST is designed to study the infrared light emitted by objects in the universe. When comparing the HST and the JWST, it's important to note that they were designed for different scientific goals. Hubble vs James Webb Telescope Comparison In this blog post, we will compare and contrast these two telescopes, exploring their similarities, differences, and the impact they have had on our understanding of the universe. While the HST has been in operation since 1990, the JWST was launched on December 25, 2021, at 2:20 PM GMT+2. The James Webb Space Telescope (JWST) and the Hubble Space Telescope (HST) are two of the most important space observatories ever created.
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