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Newsweek · 2026-07-10 · 25 pages · text from the file's own layer

This declassified document is a March 22, 1949 letter from the Security Operations Branch of the U.S. Atomic Energy Commission's Santa Fe Directed Operations. It forwards a transcript of a Conference on Aerial Phenomena held at Los Alamos Scientific Laboratory on February 16, 1949. At the conference, Dr. LaPaz described the green fireballs, including his own Starvation Peak sighting of December 12, 1948, and argued that they were not conventional meteors. Dr. Teller and others discussed why the fireballs made no sound, and no conclusion was reached.

  • p. 3 …hue green, or yello-11 green, such ae I had never observed in meteor falls before…
  • p. 4 …The green fireballs are unusual in this respect: probably that they a.re horizontal or nearly…
  • p. 5 …It should also bave the property that it is a very remerkable h·t1e of green…
  • p. 7 …They are strictly e.mlogous to the green fireballs of the night of December 12. On…
  • p. 8 …In the ce,se of the tuo green fireball paths, determined from Los Ala::no:s…
  • p. 9 …After 'tfliat I •ve been telling you about the green 1'1::e balls, you. probably…
  • p. 10 …I don't kn.01, whether you gentlemen could auggest an easy way to obtain green…
  • p. 11 …and notice the.t they Cflma 1n at high angles to the horizontal, whereao the green…
  • p. 12 …I don't think o.nybody, I menn in the line of green fir ballo, in…
  • p. 13 …You sometimes see green, Dr. ·Bradbury, but it 1a a blue green. The blue ♦-g?"een…
  • p. 14 …But it's apparently a yellowish-green we 9re t.a.1k1ng G.bout here. If…
  • p. 15 …I baren 1 t claaaified ·i:;hs.t particular fall, however, with the green fireba1le and…
  • p. 16 …In the ca.Be of the green fireballs, to my knouledge, no such train haa been…
  • p. 17 …ln the case of those \1ho observed the green f'ireballa, o y that neor the…
  • p. 18 …Definitely light green in color. I am still 1;,crried about the fact that they don…
  • p. 19 …Arizona it w.s green until it turned straight down and ve·e-rea. Soina , . . • Dr…
  • p. 20 …a natural e.xple.nation to thece green f1reballs. Dr. Teller: ..... but I vould lik~ to…
  • p. 21 …l1ith one of those, a bright green :fii-eball might be photographed, but they are not…
  • p. 22 …which one of the obeervora mentions a green color. Bot this peculiarin yellow-green vbich moat…
Conf'e:rence on AERIAL Pml:NC>MENA Pagc 17
Dr. L~.Paz: To. tbe case of the Texa.a fall., thie is very rough; I didn't see
i ·c, I can only bs.se an estimate eey on the comparisons that -were made with the
moon e.o to size and total intensity. In the case of the Texao fal.l it 'li'Ould
certainly be com:puable to - it va.s one of the brightest observed f:treballs
ia ·t;otal. intenuity . . . . In the case o:f the Sto.rvation Peak incident, we can
compare it w"lth Vemis which was conveniently located, e.nd 1t eert.'3.inl.y ,,as or
l'Jtellar mae,uitude minus 4., possibly a little brighter. That comparison was
?Dade aJ..,.zoct immediately after the obs~rvation. . ....
Mr. Hoyt: It ws very bright a.nd clee.r that night.
Dr. Teller: You saw it at 6 o'clock?
Mr. Boyt: At five minu·tea to eix. Very, ve_ry clear that night.
(ciitc;h digger., in between ditcn digger, a. tw coherent remsrks:)
Dr..Hanley: In 1945 or 1946 I observed practically the same thing ao in this
le·tter. We thought it vas a roman candlo. Definitely light green in color.
I am still 1;,crried about the fact that they don't report ~ green color 1n
these :tallE.
Dr. Bred.bury: Lack ot noise, lack of .... , the lack of these things wOUld be
. qually astounding for o.rry Jllaterial object....•.
Dr. LaPa.z: Dr. Kapl.E.n suggested the poas1bil1ty or the same sort of phenanenon
that he cculd produce experimentally in hio laboratory . • . • snd he tells me
tmder certs.in eonditions he can produc-e a globe or lamps of yellOT-Jisb.--e;reen
light • . . • . He conjectured ~or a m1nt.te that that might have eome rele.ti011 •
an artificial aurora.
Comdr. M:llldclkorn: As long &s you brought that up, MaJ. Johnson bao a letter
I obtained from Gen. Bunker vhich ma,y be pertinent. Gen. Bunker transmitted
the inf'ormation you•ve heard to the Air Materiel. Carmnand, and in reply received
n letter f'rom e.n Air Force General vho recently returned tran AlD.eka. I'll
let Dr. Le.Paz read this.
Dr. LaPaz: This ia closely related to 'What I was talking about. It begins:
"Dear Bunker: Received your interesting phenanena 0'f l. J'ebruary and p:romptly
turned it over to Boward . . . . now eaddled. v1th the responsib1lity of clues.
Regard. as coiucidentol. that on dates JOU mention Gen. Carroll vas in
Fairbanks, AJ.ook;a., and on his return r-el&.ted tbat he bad never seen be:tore
in his lite such a beautitul technical dieplay of Wa:rthern Lights. I~e
v.aat these people have seen ie a reflection fra-.i the •••• ~ these pyro
technics. So -ra.r ais we know., it ie etill phenomena and not ma:torial. Best
Regards~ Paul".

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