Avi LoebTightening the Upper Limit on the Graviton MassIn Einstein’s General Relativity, gravitational interactions are mediated by a massless particle, the graviton. However, there is a general…10h ago2
Avi LoebElon Musk: Should Phobos Serve as the Entry Port of SpaceX to Mars?Phobos is the innermost, larger moon of the two satellites of Mars. Phobos orbits Mars every 7 hours, 39 minutes and 12 seconds. With a…3d ago13
Ethan SiegelinStarts With A Bang!Ask Ethan: Why is the Big Bang shown as a tube?The most common visual depictions of the history of the Universe show the Big Bang as a growing tube with an “ignition” point. Why is that?Oct 2510Oct 2510
Alutsyah LuthfianHunting The C/2023 A3 Comet (Part 3 — Finished)Part 1 of this series discussed how I determined the candidate dates to observe the C/2023 A3 comet from September to October 2024. Then…15h ago15h ago
Ethan SiegelinStarts With A Bang!8 lessons on lifelong learning from an astrophysicistBeyond stars, galaxies, and gravity, studying the fundamental workings of nature reveals widely applicable lessons for learners everywhere.3d ago53d ago5
Avi LoebTightening the Upper Limit on the Graviton MassIn Einstein’s General Relativity, gravitational interactions are mediated by a massless particle, the graviton. However, there is a general…10h ago2
Avi LoebElon Musk: Should Phobos Serve as the Entry Port of SpaceX to Mars?Phobos is the innermost, larger moon of the two satellites of Mars. Phobos orbits Mars every 7 hours, 39 minutes and 12 seconds. With a…3d ago13
Ethan SiegelinStarts With A Bang!Ask Ethan: Why is the Big Bang shown as a tube?The most common visual depictions of the history of the Universe show the Big Bang as a growing tube with an “ignition” point. Why is that?Oct 2510
Alutsyah LuthfianHunting The C/2023 A3 Comet (Part 3 — Finished)Part 1 of this series discussed how I determined the candidate dates to observe the C/2023 A3 comet from September to October 2024. Then…15h ago
Ethan SiegelinStarts With A Bang!8 lessons on lifelong learning from an astrophysicistBeyond stars, galaxies, and gravity, studying the fundamental workings of nature reveals widely applicable lessons for learners everywhere.3d ago5
Ethan SiegelinStarts With A Bang!How has the James Webb Space Telescope changed cosmology?More than two years after JWST began science operations, our Universe now looks very different. Here are its biggest science contributions.4d ago3
Christyl Rivers, Phd.inRoaring RiversStupendous Space Stuff That Is Worth SharingFantastic, distracting facts about the universe to help calm you through the Election1d ago1
John KurzawaLooking UpDating back to the 1980s when I was a mere boy, there has always been a fascination for me with looking up into the night sky while wanting…4d ago2
