Tag Archives: asteroids and comets

DART Mission, Successful Planetary Defense Test; What’s Next 0 (0)

Update (October 11, 2022) Early results are in. Looks like the DART mission successfully shortened Dimorphos’ orbit by 32 minutes. As a NASA press release said: “…This marks humanity’s … first full-scale demonstration of asteroid deflection technology….” Excerpt from the … Continue reading

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My Top 10 Science News Stories For 2020 0 (0)

I’m seeing “The Best of,” “Top 10” and “2020 Top” headlines in my news feed: as usual for late December. Instead of waiting for someone else to highlight this year’s science news stories, I’m making my own ‘top 10’ list. … Continue reading

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Arecibo Radio Telescope 1963-2020 0 (0)

Update (December 1, 2020) “Arecibo telescope collapses, ending 57-year run” Eric Hand, Science Magazine (December 1, 2020) “The Arecibo Observatory is gone. Its 900-ton instrument platform, suspended above a dish in the karst hills of Puerto Rico, collapsed this morning, … Continue reading

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Waiting on a Dead World: Science and Being Human 0 (0)

Instead of writing about Halloween, I’ll share a seasonally-appropriate story and talk about science, death being human: Waiting on a Dead World Inspiration and Stellar Evolution Still Seeking a Solar System Analog Metaphors and the Lives of Stars Sirius, Procyon … Continue reading

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Space ‘Firsts:’ New Horizons, Chang’e-4 0 (0)

It’s been a month for space exploration ‘firsts,’ and a ‘farthest.’ Ultima Thule became the most distant object visited by a probe on January 1, with the New Horizons flyby. A few days later, China’s Chang’e-4 mission landed in the … Continue reading

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