Thursday, 1 July 2021

Chandra Turns Up the Heat in the Milky Way Center


This 2004 image was produced by combining a dozen Chandra observations made of a 130 light-year region in the center of the Milky Way. via NASA https://ift.tt/3hsUGTu

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First Steps: America’s Grueling Second Spacewalk

A year after America’s first spacewalk, Gemini IX-A Eugene Cernan stepped outside his spacecraft for an ambitious extravehicular activity sc...