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NGC 4631: The Whale Galaxy

By iftttauthorways4eu on Thu Oct 06 2022

NGC 4631 is a big beautiful spiral galaxy. Seen edge-on, it lies only 25 million light-years away in the well-trained northern constellation Canes Venatici. The galaxy’s slightly distorted wedge shape suggests to some a cosmic herring and to others its popular moniker, The Whale Galaxy. Either way, it is similar in size to our own […]

Expanding Plume from DARTs Impact

By iftttauthorways4eu on Wed Oct 05 2022

What happens if you crash a spaceship into an asteroid? In the case of NASA’s DART spaceship and the small asteroid Dimorphos, as happened last week, you get quite a plume. The goal of the planned impact was planetary protection — to show that the path of an asteroid can be slightly altered, so that, […]

Staring Into the Hurricane’s Eye

By iftttauthorways4eu on Tue Oct 04 2022

On September 28, the Landsat 8 satellite passed directly over Ian’s eye as the storm approached southwest Florida. The natural-color image above was acquired by the Operational Land Imager (OLI) at 11:57 a.m. local time (15:57 Universal Time), three hours before the storm made landfall in Caya Costa. via NASA https://ift.tt/ZivmyU7

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