Why the colour of a galaxy, doesn’t tell you its shape | My latest astrophysics research paper!

From Dr. Becky. Visit http://brilliant.org/DrBecky/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription. My latest research paper, Smethurst et al. (2021) – https://arxiv.org/pdf/2112.04507.pdf Library of all my first author research papers (plus my PhD thesis!) – make sure to click on the "arXiv…

Crashing into an asteroid! | NASA’s DART mission FAQ

From Dr. Becky. To learn more about science and maths head to https://brilliant.org/drbecky and sign up for free. Plus get 20% off an annual premium subscription. Pravec et al. (2006; Didymos light curves before impact) – https://www.sciencedirect.com/science/article/pii/S0019103505003891 More on the DART mission – https://www.nasa.gov/planetarydefense/dart 00:00 – Introduction 00:21 – NASA’s DART mission 02:11 – What…

An astrophysicist reacts to Finch with Tom Hanks (solar flares, aurora and UV-C radiation)

From Dr. Becky. To learn more about science and maths head to https://brilliant.org/drbecky and sign up for free. Plus get 20% off an annual premium subscription. NASA Ozone Watch – https://ozonewatch.gsfc.nasa.gov/monthly/monthly_2021-10_SH.html Jackman et al. (2000; impact of July 2000 solar flare) – https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2001GL013221 Green & Boardsen (2006; duration of 1859 auroral storm) – https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5215858/ Trevisan…

An extra-GALACTIC planet outside the Milky Way?! | Night Sky News November 2021

From Dr. Becky. Go to https://curiositystream.thld.co/DrBecky and use code DRBECKY to save 25% off today, that’s only $14.99 a year. Thanks to Curiosity Stream for sponsoring today’s video. NOTE: Filmed before the Russian anti-satellite missile test on Monday 15th November 2021 Lunar eclipse timings for your area – https://www.timeanddate.com/eclipse/map/2021-november-19 Smith et al. (2021; BLC1 is…

Volcanic ash is NOT GOOD for astronomy | La Palma

From Dr. Becky. I was supposed to be using a telescope at the observatory in La Palma, Canary Islands this week, but the volcano on the island had other ideas. Here’s why volcanic ash is so damaging to both telescopes and the images taken with them. To find out what we were planning to observe…

Astrophysicist reacts to Stargate SG-1 “A Matter of Time” – wormholes, black holes & time dilation!

From Dr. Becky. Black holes, wormholes, time dilation – Season 2 Episode 16 "A Matter of Time" from Stargate SG-1 has got it all! To learn more about the physics concepts you hear about in sci-fi head to https://brilliant.org/drbecky Hafele & Keating (2021; atomic clocks expertiment) = http://www.personal.psu.edu/rq9/HOW/Atomic_Clocks_Experiment.pdf 00:00 – Introduction 01:17 – Supernovae and…