Eric Mamajek
Eric Mamajek
@ericmamajek.bsky.social
Guy interested in (exo)planets and stars, and everything in between. Statements and opinions posted here are my own.
They were too busy perfecting *this*
November 19, 2025 at 8:20 AM
Life is something that happens to planet(s).
This lava on east end of Hawaii just solidified in 2018.
Life is processing it.
Just incredible to see how fast life responds to a little challenge like a fresh lava flow.
A mile NE of the 2018 “fissure 8” cone on Kapoho Rd near Puna Geothermal Venture
November 19, 2025 at 2:55 AM
3I/ATLAS #comet #3IATLAS
November 11, 2025 at 2:02 AM
November 7, 2025 at 5:31 PM
but wait, there's more cool graphics! arxiv.org/abs/2511.01954
#exoplanets #EPRV #DopplerSpectroscopy
November 5, 2025 at 7:24 AM
Big congrats to Jennifer Burt, Xavier Dumusque, and Sam Halverson on finishing their epic (instant classic) Annual Reviews of Astronomy & Astrophysics article "Precise Radial Velocities"!
arxiv.org/abs/2511.01954
contains some great new graphics for talks on
#exoplanets #EPRV #DopplerSpectroscopy
November 5, 2025 at 7:20 AM
You are welcome Catfather
November 5, 2025 at 4:52 AM
Biggest #NYC election turnout since imfamous 1985:
November 5, 2025 at 2:32 AM
Note the coffin is empty… 😂 #Steelers
November 2, 2025 at 8:48 PM
As opposed to the modern Ricky Bobby Index?
October 27, 2025 at 12:00 AM
Door to Jason’s new office :)
October 9, 2025 at 9:04 PM
October 7, 2025 at 4:06 AM
October 3, 2025 at 5:52 AM
September 21, 2025 at 7:41 PM
“I am as constant as the northern star!

2b or not 2b?”

@mattkenworthy.bsky.social #exoplanets

arxiv.org/abs/2509.09504
September 12, 2025 at 7:28 AM
Higher res
August 24, 2025 at 5:03 PM
Probably no one got out and sqeegeed the windshield since it passed through the last spiral arm molecular cloud complex? It may be out of wiper fluid after 7 billion years?

(Just kidding: it’s an interstellar comet)
August 11, 2025 at 8:09 PM
August 9, 2025 at 4:07 AM
August 4, 2025 at 5:46 PM
June 23, 2025 at 6:01 AM
May 8, 2025 at 2:33 PM
Especially its north pole
April 23, 2025 at 7:16 AM
March 9, 2025 at 4:10 AM
@leefeinberg1 presents the plan for developing the #HabitableWorldsObservatory science, technology and architecture through Concept Maturity Review in 2029 #AAS245 #AAS #NASA
January 15, 2025 at 3:44 PM
Giada Arney discusses #HabitableWorldsObservatory science case development, an update on the HWO science working groups (which may transition to PAGS this year: #COPAG #ExoPAG #PhysPAG), how to get involved, and the summer HWO sci/tech meeting July 2025. #AAS245 #AAS
January 15, 2025 at 3:42 PM