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Greg Mack (@GregDMackPhD) profile picture

Greg Mack

@GregDMackPhD

Astro/Physics policy | Former AAAS S&T Policy Fellow | Theoretical Astrophysics PhD | Ballet/Modern Dancer/Singer | Art+Sci | Scicomm | tweets=my own | He/him

Joined January 2009
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Photo by Greg Mack (@GregDMackPhD)Photo by Greg Mack (@GregDMackPhD)Photo by Greg Mack (@GregDMackPhD)Photo by Greg Mack (@GregDMackPhD)Photo by Greg Mack (@GregDMackPhD)Photo by Greg Mack (@GregDMackPhD)Photo by Greg Mack (@GregDMackPhD)Photo by Greg Mack (@GregDMackPhD)Photo by Greg Mack (@GregDMackPhD)Photo by Greg Mack (@GregDMackPhD)
Our #Astro2020 decadal survey outlines the key challenges and opportunities for astronomy and astrophysics in the next decade. Visit our new resource page for an overview of the report: ow.ly/Q1NB50GFe1g
Image from National Academies (@theNASEM)
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Beautiful scrolling interactive webpage of the main #Astro2020 recommendations: nap.edu/resource/26141/inter… Download the #Astro2020 report: nap.edu/26141
Interactive Overview: Pathways to Discovery in Astronomy and Astrophysics for the 2020s

Interactive Overview: Pathways to Discovery in Astronomy and Astrophysics for the 2020s

Learn more about "Pathways to Discovery in Astronomy and Astrophysics for the 2020s" by the National Academies of Sciences, Engineering, and Medicine.

nap.nationalacademies.org
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What are the key scientific challenges for astronomy and astrophysics in the next decade? Join us for a public briefing on the #Astro2020 decadal survey on Nov 4 at 2pm EDT. Register: ow.ly/i6OB50GzsMC
Image from National Academies (@theNASEM)
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And another look behind me. Welcome to Jezero Crater. #CountdownToMars
Image from ARCHIVED - NASA's Perseverance Mars Rover (@NASAPersevere)
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Hello, world. My first look at my forever home. #CountdownToMars
Image from ARCHIVED - NASA's Perseverance Mars Rover (@NASAPersevere)
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Greg Mack retweeted
Jason Major (@JPMajor) profile picture
Jason Major@JPMajor18 Feb 2021
Colorized versions of the screen captures of @NASAPersevere's first images after its successful landing on Mars #CountdownToMars
Image from Jason Major (@JPMajor)
Image from Jason Major (@JPMajor)
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I’m safe on Mars. Perseverance will get you anywhere. #CountdownToMars
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Slack Wyrm #678 joshuawright.net
Image from Josh Wright & Slack Wyrm Comics (@joshhamwright)
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Greg Mack retweeted
Axios (@axios) profile picture
Axios
@axios16 Jan 2021
Biden announced he will make the director of the White House Office of Science and Technology Policy a Cabinet-level position for the first time in U.S. history. axios.com/biden-white-house-…
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Beneath quartz rocks in the California desert, something unexpected was hiding nyti.ms/3jZVWOE
This Moss Uses Quartz as a Parasol (Published 2020)

This Moss Uses Quartz as a Parasol (Published 2020)

In the Mojave Desert, a translucent crystal offers bryophytes much-needed respite from the heat of the sun.

nytimes.com
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Video by winterover Geoff Chen of SPT observing this week! The #southernlight #Aurora are pretty amazing, especially the flare up at the end! Also fun to watch the #MilkyWay move across the sky during the movie! #southpole #Antarctica
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The Atacama Cosmology Telescope @ACT_Pol measures the Hubble constant using the cosmic microwave background to be 68 km/sec/Mpc. That's in agreement with the Planck satellite, and disagreement with direct measurements. A mystery! nature.com/articles/d41586-0…
Mystery over Universe’s expansion deepens with fresh data

Mystery over Universe’s expansion deepens with fresh data

Nature - A long-awaited map of the Big Bang’s afterglow fails to settle a debate over how fast the Universe is expanding.

nature.com
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The James Webb Space Telescope has a new target launch date: Oct. 31, 2021🎃🦇 — This is about a half-year delay from its previous target, caused by COVID-19-related disruptions. @NASA states the nearly $10 billion mission will require no additional funds. nasa.gov/press-release/nasa-…

NASA Announces New James Webb Space Telescope Target Launch Date - NASA

NASA now is targeting Oct. 31, 2021, for the launch of the agency’s James Webb Space Telescope from French Guiana, due to impacts from the ongoing coronavirus

nasa.gov
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Starfleet is a promise. Nobody gets left behind. For every person who tweets #StarTrekUnitedGives today, $1 will be donated to support the Black Lives Matter movement. Learn more about #StarTrekUnited donations and free Star Trek marathons here: bit.ly/StarTrekUnitedInfo
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“What we do on our Star Trek worlds is really a mirror to what we should be doing in our daily society.” - @ItsMichelleHurd #StarTrekUnited
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NBC News (@NBCNews) profile picture
NBC News
@NBCNews15 Jun 2020
BREAKING: US Supreme Court rules that existing federal law forbids job discrimination on the basis of sexual orientation, a major victory for advocates of gay rights. nbcnews.to/2AtgwoH
In landmark case, Supreme Court rules LGBTQ workers are protected from job discrimination

In landmark case, Supreme Court rules LGBTQ workers are protected from job discrimination

The decision said Title VII of the Civil Rights Act of 1964, which makes it illegal for employers to discriminate because of a person's sex, also covers sexual orientation and transgender status.

nbcnews.com
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NPR (@NPR) profile picture
NPR
@NPR15 Jun 2020
BREAKING: The Supreme Court has delivered a historic victory for LGBTQ people — ruling that the federal law that bars sex discrimination in employment does apply to LGBTQ employees.
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On our street, we accept all, we love all, and we respect all. Happy #PrideMonth!
Image from Sesame Street (@sesamestreet)
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Image from Sesame Street (@sesamestreet)
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Star Trek (@StarTrek) profile picture
Star Trek
@StarTrek2 Jun 2020
Star Trek has always represented the hope of a better future for humankind, and we understand that until it's understood that Black lives do matter, that future cannot be achieved 🖖

Star Trek: Deep Space Nine | Far Beyond the Stars

We Support Black Lives Matter.

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