The Hubble Space Telescope and its upcoming replacement are vastly different.
The telescope will be able to peer into the farthest reaches of space. The data it collects will allow scientists to better understand the formation of stars and galaxies.Hubble caught a lift to orbit tucked inside NASA’s space shuttle Discovery in 1990. It quickly ran into trouble: One of the telescope’s solar wings jammed as it was unfurling. Astronauts suited up for an emergency spacewalk, but commands from Earth freed the panel. Within weeks, Hubble’s blurry vision was detected.
Webb won’t be reachable by astronauts at its destination 1 million miles away. Bigger and more intricate than Hubble, Webb will be a goner if its foldout mirror and sunshield snarl.Webb is expected to behold light from the universe’s first stars and galaxies, beyond Hubble’s range. This light will reveal how the original stars looked 13.7 billion years ago. Hubble has stared as far back as 13.
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