Sagittarius A by https://padlet.com/guntherrogers/8cdjbsc1qug0 By Gunther Rogers en-us 2020-03-13 00:55:04 UTC 2025-11-02 07:32:58 UTC hello@padlet.com What is Sagittarius A? guntherrogers https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459626458 Sagittarius A is a bright, radio source which is at the center of the Milky Way]]> 2020-03-13 01:00:28 UTC https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459626458 When was Sagittarius discovered? guntherrogers https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459627746 In 1974, Sagittarius was discovered by Karl Jansky]]> 2020-03-13 01:04:34 UTC https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459627746 What tools were used to help discover Sagittarius A? guntherrogers https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459633702 An radio interferometer. This is an array of two or more dishes that work together to collect signals from a single object.]]> 2020-03-13 01:18:04 UTC https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459633702 Picture of Sagittarius A guntherrogers https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459635306 2020-03-13 01:22:04 UTC https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459635306 Videos of Sagittarius A guntherrogers https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459637642 how we discovered Sagittarius A: https://www.youtube.com/watch?v=MV_0ns3JRV4&t=196s and Zooming in: https://www.youtube.com/watch?v=DRCD-zx5QFA

]]> 2020-03-13 01:27:07 UTC https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459637642 What are some recent discoveries about Sagittarius A? guntherrogers https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459641582  Recently in 2014  a group of astronomers found out about the black hole flare.]]> 2020-03-13 01:37:18 UTC https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459641582 How did this flare happen? guntherrogers https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459644057 When the black hole is more active than usual, an event horizon becomes brighter as it heats up because of friction.]]> 2020-03-13 01:44:21 UTC https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459644057 How far away is Sagittarius A from Earth? guntherrogers https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459647850 Sagittarius A is 25,640 light years]]> 2020-03-13 01:56:11 UTC https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459647850 Picture of Sagittarius A flare guntherrogers https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459654513 2020-03-13 02:20:00 UTC https://padlet.com/guntherrogers/8cdjbsc1qug0/wish/459654513