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Pastimes
Astronomy and Space
An SI Board Since December 2016
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Emcee:  J.B.C. Type:  Moderated
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411[X] We caught the rocket!! 🚀 pic.twitter.com/gVv34W9l2npic.twitter.com/o0vA3XJ.B.C.-January 17
410SUNDAY, FEBRUARY 25 ¦ Another way Sirius is special: it's the bottom sJ.B.C.-2/25/2024
409The annual Leonid meteor shower happens this week, peaking Nov 17-18. This year ig111/12/2023
408FRIDAY,SEPTEMBER 22 ¦ Tonight is equinox night.Fall beginsin the Northern J.B.C.-9/23/2023
407Mrs JBC and I will be in Albuquerque for this, AND coinciding with the annual BaJ.B.C.-9/14/2023
406SATURDAY, SEPTEMBER 2 ¦ The two brightest stars of September evenings are J.B.C.-9/3/2023
405Supernova in the Pinwheel Galaxy, update May 28th: SN 2023ixf continues to hold J.B.C.-6/2/2023
404'[youtube video]J.B.C.-4/9/2023
403RIP TIM, you were a good contributor. *** Rare chance to see 5 planets at onceJ.B.C.23/27/2023
402Earth in orbit around a black hole. Illustrates gravitational lensing. [X] AstrTimF-3/5/2023
401[youtube video] youtube.comTimF-2/27/2023
400That and other evidence is making scientists rethink gravity. [youtube video]DMaA12/24/2023
399Galaxies pre-made(??), tarred, compressed and ready to go??? Astronomers shockegarrettjax12/24/2023
398This Amazing View Of Saturn Is Impossible [youtube video] youtube.comTimF12/18/2023
397THIS WEEK'S SKY AT A GLANCE, FEBRUARY 10 – 19BY: ALAN MACROBERT FEBRUARY 10J.B.C.-2/10/2023
396Looks like a clear night for us in Denver tonight. I'll try for a glance wiJ.B.C.-2/1/2023
395I looked for ZTF Monday night. Couldn't find it.DMaA-2/1/2023
394When you purchase through links on our site, we may earn an affiliate commissionJ.B.C.-2/1/2023
393Comet ZTF is at its best, but here comes the Moon. Comet C/2022 E3 (ZTF) has beeJ.B.C.-1/29/2023
392JWST's successor: The Carl Sagan Observatory - a 12 METRE optical telescope TimF-1/19/2023
391I prefer this one. It shows that a lot of things are within reach within our lStock Puppy11/15/2023
390How big is the ENTIRE UNIVERSE? [youtube video] youtube.comTimF11/15/2023
389Time dilation calculator emc2-explained.info Relativistic Kinetic Energy CalculTimF-1/15/2023
388[youtube video]J.B.C.21/3/2023
387[youtube video] youtube.comTimF31/1/2023
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