All Stories

  1. How fast can an object collide and stick to a tripping hazard without tipping over?
  2. Arrange for objects launched sequentially from a satellite to arrive at the same place and time!
  3. How does staging allow a rocket to push its payload to a faster final speed?
  4. Can a toy drone fly on Mars? How much faster should its rotors rotate to hover on other worlds?
  5. Get outta here! How to escape from a circular orbit as fast as possible.
  6. Maximum Momentum and Kinetic Energy of a Rocket
  7. Modeling ICBM Trajectories Around a Rotating Globe with Systems Tool Kit
  8. Acceleration of Coronal Mass Ejection Plasma in the Low Corona as Measured by the Citizen CATE Experiment
  9. Rocket Propulsion, Classical Relativity, and the Oberth Effect
  10. Computational skydiving
  11. Solution to the March, 2019 Challenge Downton Abbey*
  12. A discrete, energetic approach to rocket propulsion
  13. Air drag in the projectile lab
  14. Slow Down or Speed up? Lowering Periapsis Versus Escaping from a Circular Orbit
  15. Modeling Rosetta’s final descent
  16. Satellite splat II: an inelastic collision with a surface-launched projectile and the maximum orbital radius for planetary impact
  17. Angular momentum and Philae's descent
  18. Rosetta Mission's “7 Hours of Terror” and Philae's Descent
  19. Satellite splat: an inelastic collision with a surface-launched projectile
  20. Extreme X-Ray Behavior of the Low-Luminosity Active Nucleus in NGC 4395
  21. A qualitative test of a unified model of Seyfert galaxies with BeppoSAX
  22. A search for cyclotron lines in the bursting pulsar, GRO J1744-28
  23. RXTE observations of Cas A
  24. In‐Flight Performance of the High Energy X‐Ray Timing Experiment on theRossi X‐Ray Timing Explorer
  25. Radio pulsars observed at X-ray energies by the X-ray timing explorer
  26. ROSATPosition of GRO J1744−28 and Search for Its Near‐Infrared Counterpart
  27. Optical/Near‐Infrared Observations of GRO J1744−28
  28. Detection of Hard X-Ray Emission from Mkn 463
  29. H [CSC]i[/CSC] Absorption toward the Nucleus of the Powerful Radio Galaxy Cygnus A: Evidence for an Atomic Obscuring Torus?
  30. Broad infrared line emission from the nuclei of Seyfert 2 galaxies