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Everything you want to know about spy balloons, or any balloon, in the sky

By Christopher Maag

3.9.23 | Faculty

in the news:

This illustration shows a phenomenon known as gravitational lensing, which is used by astronomers to study very distant and very faint galaxies. Note that the scale has been greatly exaggerated in this diagram. In reality, the distant galaxy is much further away and much smaller. Credit: NASA, ESA & L. Calcada

Building Roman’s definitive strong-lens catalog

In this illustration, WD 1856b, a giant planet, orbits its dim white dwarf star every day and a half. Credit: NASA’s Goddard Space Flight Center

WashU team to lead the search for planets orbiting white dwarfs with NASA’s Roman Space Telescope

Nancy Grace Roman Telescope (Credit: NASA)

WashU astronomers selected for four NASA Roman Cycle 1 programs

Tectonic movements are instrumental in rocky coastal erosion

Tectonic movements are instrumental in rocky coastal erosion