Hey @elonmusk it's time to relocate your orbiting space junk. Ground-based astro is one thing but now you're photobombing @NASAHubble. Did @FCC know when they granted the license or @NASA? @carolynporco@planet4589
Satellites are photobombing Hubble https://t.co/aqFiboa3bg
In this timeless, stirring story, Astronomy for Change's Jim Day, Ph.D describes what the fabled "Christmas Star" may have been. Was it a supernova, a comet, or something else?
https://t.co/LcW6MeMDY8