Posts in category

Astronomy


Four astronomical discoveries from ancient Greece

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From the pyramids to Stonehenge – were prehistoric people astronomers?

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QuizMe: Hubble Space Telescope

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James Webb’s primary mirror passes test before pandemic suspends work

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Using NASA’s Kepler Space Telescope, astronomers have discovered the first Earth-size planet orbiting a star in the “habitable zone” — the range of distance from a star where liquid water might pool on the surface of an orbiting planet. The discovery of Kepler-186f confirms that planets the size of Earth exist in the habitable zone …

In a 1.3 million cubic-foot cleanroom at NASA’s Goddard Spaceflight Center in Greenbelt, Md., 18 gold-coated primary mirror segments await installation on NASA’s James Webb Space Telescope. Those mirrors and the telescope’s four science instruments just steps away, will become the most powerful space telescope ever built. “The Hubble Space Telescope has already rewritten the …

More than ten years have now passed since NASA’s fourth “Great Observatory” – the Space Infrared Telescope Facility (SIRFT) – was boosted into orbit from Cape Canaveral Air Force Station, Fla., atop a Delta II rocket. It was intended to complement is three older siblings, the Hubble Space Telescope, the Compton Gamma Ray Observatory and …

Passing its 10th anniversary, NASA’s Spitzer Space Telescope has evolved into a premier observatory for an endeavor not envisioned in its original design: the study of worlds around other stars, called exoplanets. While the engineers and scientists who built Spitzer did not have this goal in mind, their visionary work made this unexpected capability possible. …

Most blog readers are no doubt familiar with the world of space telescopes. But have you ever gone to your friends and asked them what comes to mind when they hear the word “Spitzer?” Chances are, they will ask if you are referring to a certain politician… Or maybe a carbonated beverage. Now is the …

Public outreach is an oft used and abused term nowadays, but I find it the wrong label for astronomy. In Astronomy we are reaching out for the stars! What is really meant in this context is knowledge sharing and encouraging people to raise their eyes to the stars. I found it somewhat depressing that a …