AD - Go to https://ground.news/drbecky to stay fully informed with the latest Space and Science news. Save 40% off the Vantage plan through my link for unlimited access. | Welcome to this episode of Night Sky News for March 2025. This is the show where we chat about what you should look out for in the night sky in the next month, and what’s been happening in space news in the past month. In this episode we’re chatting about how asteroid 2024 YR4 is no longer a danger, how Mars is not red due to rust, and how we’re another step closer to solving the crisis in cosmology thanks to the Dark Energy Spectroscopic Instrument showing more evidence in favour of dark energy changing with time…
Find out what the partial solar eclipse will look like from your location - https://www.timeanddate.com/eclipse/solar/2025-march-29
More on asteroid 2024 YR4 - https://www.esa.int/Space_Safety/Planetary_Defence/Asteroid_2024_YR4_no_longer_poses_significant_impact_risk
More on the Rubin telescope - https://rubinobservatory.org/about
My previous video on Rubin - https://www.youtube.com/watch?v=X3N-DjVXh44
More on the Euclid data release and research papers - https://www.esa.int/Science_Exploration/Space_Science/Euclid/Euclid_opens_data_treasure_trove_offers_glimpse_of_deep_fields
Walmsley et al. (2025) - https://arxiv.org/pdf/2503.15310
My previous video on Euclid - https://www.youtube.com/watch?v=JFAB1MhYGyc
Help classify the shapes of galaxies for science - http://galaxyzoo.org/
Explore 1st area of new Euclid data on ESA Sky - https://sky.esa.int/esasky/?target=61%20-48.3&hips=Q1-EDFS-R4-PNG-RGB&fov=14.999999999999998&projection=TAN&cooframe=J2000&sci=false&lang=en&euclid_image=EDFS#/
Explore 2nd area of new Euclid data on ESA Sky - https://sky.esa.int/esasky/?target=269%2066&hips=Q1-EDFN-R4-PNG-RGB&fov=14.9999999[…]ooframe=J2000&sci=false&lang=en&layout=esasky&euclid_image=EDFN
Explore 3rd area of new Euclid data on ESA Sky - https://sky.esa.int/esasky/?target=53%20-28&hips=Q1-EDFF-R4-PNG-RGB&fov=14.9999999[…]ooframe=J2000&sci=false&lang=en&layout=esasky&euclid_image=EDFF
More on the DESI data release and research papers - https://www.desi.lbl.gov/2025/03/19/desi-dr2-results-march-19-guide/
DESI collaboration (2025) - https://arxiv.org/pdf/2503.14738
My previous video on DESI Y1 results - https://www.youtube.com/watch?v=LRUTnoveZs8
Access the DESI DR1 data yourself - https://data.desi.lbl.gov/doc/
00:00 Introduction
01:05 Partial Solar Eclipse on 29th March
04:27 Mars & Jupiter near Orion PM, Venus, Mercury & Saturn AM
05:13 Summer Triangle
06:37 Asteroid 2024 YR4 not a threat
10:05 AD Ground News
12:16 Vera Rubin Observatory mega camera installed
13:53 Euclid data release and research papers
19:33 DESI Data Release and crisis in cosmology
30:16 Some personal news…
31:06 Bloopers
Video filmed on a Sony ⍺7 IV
Video edited by Jonny Hyman
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👩🏽💻 I'm Dr. Becky Smethurst, an astrophysicist at the University of Oxford (Christ Church). I love making videos about science with an unnatural level of enthusiasm. I like to focus on how we know things, not just what we know. And especially, the things we still don't know. If you've ever wondered about something in space and couldn't find an answer online - you can ask me! My day job is to do research into how supermassive black holes can affect the galaxies that they live in. In particular, I look at whether the energy output from the disk of material orbiting around a growing supermassive black hole can stop a galaxy from forming stars.
http://drbecky.uk.com