A Ridiculously Huge Pair of Ancient Galaxies

Captions provided by CCTubes – Captioning the Internet! To support SciShow Space and learn more about Brilliant, go to https://brilliant.org/scishowspace/

Astronomers have found a couple galaxies that were much larger than expected, and the Opportunity rover might be in for some harsh Martian weather!

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Sources:
https://www.nature.com/articles/nature24629
https://public.nrao.edu/news/2017-alma-galaxies-dark-matter/ https://www.simonsfoundation.org/2017/12/06/early-galaxies-dark-matter/
https://www.nasa.gov/feature/jpl/nasa-mars-rover-teams-tilted-winter-strategy-works
https://mars.jpl.nasa.gov/mer/newsroom/pressreleases/20070720a.html
https://mars.jpl.nasa.gov/mer/newsroom/pressreleases/20070824a.html
https://www.nasa.gov/feature/goddard/the-fact-and-fiction-of-martian-dust-storms
https://www.smithsonianmag.com/science-nature/mars-weather-forecast-calls-massive-dust-stormssolar-system-mechanics-may-explain-why-180959174/
https://www.popsci.com/can-we-predict-global-dust-storms-on-mars

Images:
https://en.wikipedia.org/wiki/File:Spectrum.svg
https://commons.wikimedia.org/wiki/File:NGC_4414_(NASA-med).jpg
https://commons.wikimedia.org/wiki/File:ALMA_Antennas_on_Chajnantor.jpg
https://commons.wikimedia.org/wiki/File:A_Horseshoe_Einstein_Ring_from_Hubble.JPG
https://www.nasa.gov/images/content/176484main_hst_dark_ring_1_full.jpg
https://commons.wikimedia.org/wiki/File:Erebus_360_L257atc-B652R1.jpg
https://commons.wikimedia.org/wiki/File:Opportunity_in_Endurance_Crater.jpg
https://commons.wikimedia.org/wiki/File:MarsEndurance.jpg
https://mars.jpl.nasa.gov/mer/newsroom/pressreleases/20070720a.html