JWST review board raises schedule concerns
https://spacenews.com/jwst-review-board-raises-schedule-concerns/
Webb IRB Assessment with NASA Response
https://www.nasa.gov/sites/default/files/atoms/files/webb_irb_assessment_with_nasa_response_03.01.19.pdf
James Webb Space Telescope: Opportunity Nears to Provide Additional Assurance That Project Can Meet New Cost and Schedule Commitments
https://www.gao.gov/assets/700/697887.pdf
Evidence against non-gravitational acceleration of 1I/2017 U1 ‘Oumuamua
https://link.springer.com/article/10.1007/s10509-019-3542-z
The new 4‐m robotic telescope
https://onlinelibrary.wiley.com/doi/10.1002/asna.201913556
A transiting exocomet detected in broadband light by TESS in the β Pictoris system
https://arxiv.org/abs/1903.11071
Efficient Follow-Up of Exoplanet Transits Using Small Telescopes
https://arxiv.org/abs/1903.11078
Transverses instability in the “light sail” ion acceleration
https://arxiv.org/abs/1903.11354