August 21, 2018 updates Posted on August 21, 2018June 28, 2020 by Doug Loss No Bootstrap Spaceships http://www.physics.princeton.edu/~mcdonald/examples/bootstrap.pdf The mass of the young planet Beta Pictoris b through the astrometric motion of its host star https://arxiv.org/abs/1808.06257 Billion-dollar telescopes could end up beyond the reach of US astronomers https://www.nature.com/articles/d41586-018-05985-2 Placing Outer Space: An Earthly Ethnography of Other Worlds. https://www.dukeupress.edu/placing-outer-space Climates of Warm Earth-like Planets I: 3-D Model Simulations https://arxiv.org/abs/1808.06480 Detection of Alpha Centauri at radio wavelengths: chromospheric emission and search for star-planet interaction https://arxiv.org/abs/1803.08338