Space Mog | The missing satellite problem @SpaceMog | Uploaded 4 years ago | Updated 12 hours ago
Welcome to my channel! I'm Dr Maggie Lieu and I make youtube videos about space & astronomy. Hundreds of satellites around our Milky Way are missing? Where could they be hiding?

Extra reading:
Klypin et al 1999: https://arxiv.org/abs/astro-ph/9901240

Media credits:
Telescope: Gemini observatory
Eagle simulations
Milkyway: NASA/ESA/Holwerda
Milkyway satellites: ESO/Kornmesser/Calcada
Omega Centuri: Gendler/ESA/Hubble
Merger: Hopkins research group/Caltech
Tidal interactions: NASA/ESA/Besla/van der Marel

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An interstellar meteorite may have been recovered from the ocean, but is it alien?

$Why are stars shaped like stars? Hi Spacecats, Im Dr Maggie Lieu and welcome to my channel, where you can find all things space, astronomy and physics! In this video, we attack the question of the shape of stars? Why does everyone draw them differently? And why does JWST see such bright star? Links: This video was inspired by Lucie Leboulleuxs twitter thread on JWSTs diffraction pattern: https://twitter.com/LucieLeboulleux/status/1506307613415329808?s=20&t=d4Nhia3jqNy-hlK0DUQSKg Be sure to check her twitter: https://twitter.com/LucieLeboulleux Media credits: Diffraction pattern - Wisky JWST unfolding: ESA/Hubble/Kornmesser/Christensen segmented mirror: GIVEN JWST mirror simulations: Lucie Leboulleux JWST unfolding: ESA/Hubble/Kornmesser/Christensen Support me through my shop: www.maggielieu.com/shop If you enjoyed the video, please consider by liking, sharing and subscribing! Im also on: twitter: https://twitter.com/space_mog instagram: https://instagram.com/space_mog/ facebook: https://facebook.com/spacemog/$

$What do we see in Euclids first images Hi Spacecats, Im Dr Maggie Lieu and welcome to my channel, where you can find all things space, astronomy and physics! ESA have just shared with the first images from the Euclid space telescope. Whilst not the final science ready product, its already a taster for what is to come, but what exactly is that? Links: https://indico.cern.ch/event/1026001/contributions/4385932/attachments/2263597/3842674/Demo2021.pdf Media credits: EUCLID PAYLOAD WITH THE VISUAL INSTRUMENT EXPOSED: Airbus Defence and Space - Toulouse Euclid dither: Euclid collab. https://arxiv.org/abs/2209.12907 CCD readout: Astronomy, Roen Kelly Euclid telescope: Airbus diffraction spikes: Harvey & Ftaclas 1995 An early concept of the Euclid telescope: (ESA/EC) NISP Instrument: Euclid Consortium/CPPM/LAM NISP filter wheel: IFAE NISP Architecture of the cold part of the instrument, located in the PLM: EC/NISP/LAM Redshift: ESO Grism: Hubble, NASA, ESA Thumbnail Euclid background: TAS Special thanks to my youtube perks members: Annex Celestial, Wheely Big Bike Trip, Steven Yee, Thomas Seiler, Anders Welander, Bill Fratt. You can also sign up on my channel page!$

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time to take a break! #walk #mentalhealth #motivation #uon #uninottingham

The missing satellite problem @SpaceMog