Martin Ratcliffe

Planetarium astronomer working for E&S, and writer of Astronomy Magazine’s monthly Sky notes for 26 years and counting.

[Martin Ratcliffe @Astro_Martin]

@chrislintott your thoughts on T CrB. Schaefer in https://t.co/IzhAMJtcmw gives 2025.5 +/-1.5 - many are focused on September next month. No crystal ball of course:))

[Martin Ratcliffe @Astro_Martin]

Great fun working on this content for our Digistar community

[E&S | Spitz @ES_Spitz]

New #JWST imagery just dropped - the largest image release of galaxies to date, showcasing 19 spiral galaxies from the JWST PHANGS Galaxy Survey.

Now on #Digistar is a control panel on the latest release featuring various scripts for continued planetarium programming.✨

[Martin Ratcliffe @Astro_Martin]

@chrislintott Congratulations Chris, well deserved - just saw the news release. Brill!!

[Martin Ratcliffe @Astro_Martin]

One of the biggest science stories coming to a planetarium dome@near you @experiencecosm

[Cosm @experiencecosm]

Cosm Studios is proud to announce the release of ‘Black Hole First Picture’, a fulldome planetarium film in 8K featuring the human attempt to create the world’s first image of a black hole with the Event Horizon Telescope.

Learn more:
https://t.co/NDVJTPeiEP

[Cosm @experiencecosm]

Cosm is proud to announce that immersive video company @C360live is now a Cosm company, propelling us to the forefront of innovation in immersive technology globally.

Read the announcement in @SBJ to learn more.

#C360 #Cosm #ImmersiveTechnology
https://t.co/ryUuQOtw8H

[Orion Spacecraft @NASA_Orion]

Mission Time: 2 days, 6 hrs, 6 min
Orion is 184,144 miles from Earth, 134,149 miles from the Moon, cruising at 1,715 miles per hour.
P: (-175058, -65955, -19676)
V: (-1342, -978, -428)
O: 56º, 55.1º, 16.2º
What's this? https://t.co/voR4yGgqXG #TrackArtemis

[Martin Ratcliffe @Astro_Martin]

@mrhunsaker in my mail PO box I got one of your items - catalog on exceptional teaching - I am near campus - will return it to PO but need your PO box# - FYI I work at evans and Sutherland near campus

[Martin Ratcliffe @Astro_Martin]

@sanjanacurtis @PhilippMoesta I was just talking to ug students today about binary neutron stars - I’ll refer them to your paper to show what’s possible within an fee short years of study (ok long years lol)

[Martin Ratcliffe @Astro_Martin]

@vmjaggard99 @NatGeo OMG, what a change - I can’t imagine NG without you. Wish you the best and if I hear of gigs I’ll let you know

[Martin Ratcliffe @Astro_Martin]

Is it a comet? Or an asteroid post-impact? Or both :) let’s call it a comsteroid

[William Keel @NGC3314]

Last night, @SARA_Obs Chile: Didymos/Dimorphos dust trails. 7x5m tracked on asteroids, stars filtered. WNW trail extends to 165", projecting to ~8600 km. (0410-0500 UT 30 Sept., ~78 hours after impact, R band)

[Martin Ratcliffe @Astro_Martin]

On target!

[Martin Ratcliffe @Astro_Martin]

Thanks Rica! @dustchick want to chat via my email at [email protected]?

[Rica Sirbaugh French #IDIC 🟡🟡🟡🟡 @ricadink]

@dustchick @palomarskies Hey @Astro_Martin! SDCC looking for an upgrade... 😉

[Martin Ratcliffe @Astro_Martin]

@nadiamdrake Oh sad news Nadia, I just lost my Dad a few weeks ago -just before AAS. Your Dad lived such a rich life - we can be so thankful to have been there to experience it. My heartfelt condolences and best wishes to you.

[Martin Ratcliffe @Astro_Martin]

Wow! JWST is rocking it - over ice.

[Klaus Pontoppidan @pontoppi]

#JWST results from something much closer to home are now coming out. Today, we can present an incredibly detailed #MIRI spectrum of organic ices around an extremely young star. As a spectroscopist, this is what I’ve been waiting for!

[Martin Ratcliffe @Astro_Martin]

This will be great in 8k streamed to @cosm DomeX

[NASA Artemis @NASAArtemis]

We are ready. 🚀

In just five days, the first launch opportunity of the integrated @NASA_SLS rocket and @NASA_Orion spacecraft will take place. The uncrewed #Artemis I mission around the Moon will pave the way for future crewed missions and begin a new chapter of exploration.

[Martin Ratcliffe @Astro_Martin]

Amazing new images of Jupiter from JWST

[ESA Webb Telescope @ESA_Webb]

#Webb has captured new images of #Jupiter! The new observations feature visible auroras that extend to high altitudes above Jupiter's northern and southern poles. Explore the new images here: https://t.co/mn366GZ6BQ

[Martin Ratcliffe @Astro_Martin]

@ESA_Webb Wow, it’s got the ring, what an image

[Martin Ratcliffe @Astro_Martin]

Now it’s public!

[Cosm @experiencecosm]

Cosm is bringing the future of immersive experiences directly to consumers with our first public venue in @hollywoodparkca, where guests will be able to experience immersive content that brings entertainment to life.

@Variety

#CosmLA #SharedReality
https://t.co/uLFYHEFZdm

[Martin Ratcliffe @Astro_Martin]

@smailtronic A color grading accident in the metaverse when the Tardis arrived?