David Johnston
@dwjohnst.bsky.social
NASA/JPL Solar System Ambassador; PARI Science Advisor; humanist
Environmental science
40%
Geology
25%
David Johnston
@dwjohnst.bsky.social
· Apr 28
Hoping to head down next year.
David Johnston
@dwjohnst.bsky.social
· Apr 21
A 3-sigma dimethyl-chloride signal is not "alien life." Still, pretty cool.
David Johnston
@dwjohnst.bsky.social
· Apr 16
My favorite pic. M8, M20, assorted open clusters, a glob, star forming regions, dark lanes. Shot from PARI last summer.
David Johnston
@dwjohnst.bsky.social
· Mar 2
We do, in fact, have solar system ambassadors. Sadly, my request to serve in the Martian embassy was denied.
By the way, it's a volunteer position :>)
By the way, it's a volunteer position :>)
David Johnston
@dwjohnst.bsky.social
· Mar 2
US firm Firefly's Blue Ghost moon lander locks in for lunar touchdown
Firefly Aerospace's Blue Ghost moon lander tightened its lunar orbit on Sunday before its inaugural attempt at an uncrewed touchdown, nearing a pivotal moment for one of a handful of private firms on the frontlines of a global moon race.
www.reuters.com