So why do we still need the SKA? This article aims to clear the cosmic air and give some context as to why newer isn’t necessarily better – just different.
Both telescopes operate outside the visible light range of the spectrum, SKA in the radio range and James Webb in the infrared range. This determines what they can "see", but there are also other characteristics that define them, and why they actually complement each other.
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Square Kilometre Array vs James Webb Space Telescope#
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telescopes Why we need the James Webb Space Telescope and the SKA.