On this #WorldAIDSDay, I recall the poem "Here" by Paul Monette, a poem he wrote for his partner Roger Horwitz who died of complications of AIDS in 1986. Paul himself died of complications of AIDS in 1995. hivhereandnow.com/35-years-poems…
"war is not all death it turns out war is what little thing you hold on to refugeed and far from home"
On this day, I mourn the lost. I remember the fighters and I remember the war. I honor the survivors: for many, COVID is not the first or even the worst pandemic they have faced and survived. I am grateful that they are still here.
Finally, I remind myself that the AIDS pandemic is far from over.
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In my Astronomy 2291 class recently we talked about Pluto and why it was demoted to a ‘dwarf planet’ by Resolution 5A of the 26th General Assembly of the International Astronomical Union on August 24, 2006. Hold on, here we go… (1/20)
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Pluto was discovered on February 18, 1930 by Clyde Tombaugh (in his early 20s at the time) working at Lowell Observatory. The discovery story of Pluto is fascinating, but a topic for another thread. (2/20)
Pluto was immediately classified as a planet, largely because it was thought to be the cause of the (now known to be spurious) observed deviations of Neptune from its expected orbit. (3/20)
Excited to share a new paper led by @UCB_Astronomy graduate student Keming Zhang @AstroKeming (along with me and his advisor Josh Bloom @profjsb) that discusses a newly uncovered ubiquitous unifying degeneracy in planetary microlensing events. (1/16)
🧵👇 arxiv.org/abs/2111.13696
Gravitational microlensing is a weird and wonderful way to find planets orbiting other stars, especially cold, low-mass planets. It works by using gravity as nature’s magnifying glass to detect planets orbiting distant host stars. (2/16)
Microlensing has already been used to discover over 100 exoplanets. But the true potential of microlensing will be realized by NASA’s Nancy Grace Roman Space Telescope @NASARoman. (3/16)