Richard Talcott
- Indexed articles, last 90 days
- 3
- Latest publication
- Sep 18, 2026
- Outlet visibility, for Astronomy Magazine
- Top 500K sites
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- Jul 9, 2026
Latest articles
Still going strong: Hubble's 36th anniversary image (opens the original)
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Life in space is hard. Most orbiting observatories retire well before their 20th birthday. Yet the Hubble Space Telescope has survived and continues to thrive well into its 30s. Astronomers celebrated the observatory’s 36th birthday in April by releasing a new image of the Trifid Nebula (M20). This stellar nursery lies about 5,000 light-years from Earth in the constellation Sagittarius. The photo captures a small area southeast of the Trifid’s center. Several massive stars located off the top of
JWST shows astronomers how to make a comet (opens the original)
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Astronomers have a problem. The comets in our solar system formed some 4.5 billion years ago in its frigid outer regions, beyond the current orbit of Jupiter. These “dirty snowballs” naturally contain lots of ices, but they also hold a surprising amount of rock. Key components of this rocky material are crystalline silicates such as forsterite and enstatite. And that creates a conundrum: It takes a lot of heat to forge these crystals. They can’t develop at temperatures below about 1,160 degrees
JWST studies a supernova near the dawn of time (opens the original)
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A long time ago, in a galaxy far, far away, a massive star collapsed, triggering a supernova explosion so bright it could be seen across the universe. When the light reached Earth, telescopes around the world and in space quickly focused on the blast. They confirmed it took place just 730 million years after the Big Bang, less than half the age of the previous record-holder. This timing places the supernova in the heart of the epoch of reionization, when ultraviolet light from the first generati
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