Welcome to the Tuesday Telescope. There is a little too much darkness in this world and not enough light\u2014a little too much pseudoscience and not enough science. We’ll let other publications offer you a daily horoscope. At Ars Technica, we’ll take a different route, finding inspiration from very real images of a universe that is filled with stars and wonder.<\/p>\n
Open clusters of stars\u2014which consist of dozens up to a few thousand stars\u2014are an interesting tool for astronomers to study the Universe.<\/p>\n
That\u2019s because all of the stars in such a cluster formed more or less at the same time, allowing astronomers to compare different types of stars, in terms of size and composition, which are all of a similar age. This is useful for understanding how different kinds of stars evolve over time.<\/p>\n
Some of these open clusters are pretty famous, such as the Pleiades cluster, also known as the Seven Sisters. This is relatively close to Earth, just 444 light-years away. Others are much more distant, such as NGC 460 and NGC 456. They reside in a nearby galaxy, the Small Magellanic Cloud, and are the subject of today\u2019s post.<\/p>\n
NASA has shared side-by-side views of these clusters taken in visible light by the Hubble Space Telescope and in infrared light by the James Webb Space Telescope. Hubble\u2019s image captures the glowing, ionized gas as stellar radiation produces what look like bubbles in the clouds of gas and dust, whereas Webb highlights the clumps and delicate filamentary structures of dust.<\/p>\n
Today\u2019s image combines the two into a single composite, based on 12 overlapping observations. It\u2019s quite spectacular.<\/p>\n
Source: NASA<\/p>\n
Do you want to submit a photo for the Daily Telescope? Reach out and say hello.<\/p>\n","protected":false},"excerpt":{"rendered":"
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