「Million.」の共起表現一覧(1語右が「years」)
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400 | million years ago). |
380-375 | million years ago). |
± 0.76 | million years (Eocene). |
million years ago. | |
and 0.8-1.8 | million years old. |
400 | million years Ilyinets astrobleme |
Berea sandstone (320 | million years) |
It erupted 36-40 | million years ago. |
155 | million years ago - Late Jurassic |
It lived approximately 55 | million years ago. |
Archaeotrogon lived some 30-35 | million years ago. |
AEO: ~21.8-21.7 Mya., approximately 0.1 | million years |
It erupted 55 | million years ago. |
It lived 1.84 | million years ago. |
M103 is about 25 | million years old. |
It lived 23 | million years ago. |
Cleveland Shale (350 - 400 | million years) |
The episode started at about 450 | million years ago and concluded about 300 million yea |
Fossils range from 99.6 | million years ago (species unknown) to 65.5 million y |
It is estimated at 37-56 | million years old. |
The cluster is most likely around 12.5 | million years old. |
The T-WA association is about 30 | million years old. |
200 | million years ago during the Appalachian orogeny. |
It lived about 89 | million years ago (Turonian stage). |
It is probably less than 17 | million years old. |
They appeared during the Oligocene about 33.3 | million years ago. |
Luangwa lived in the Triassic period 240 | Million years ago. |
lopoda appeared during the Eocene around 46.2 | million years ago. |
bably originated during the Jurassic (200-140 | million years ago). |
It last erupted about 40 | million years ago. |
It lived about 48 | million years ago in North America. |
The cluster is approximately 450 | million years old. |
It lived from 28 to 23 | million years ago. |
Kaibab Formation (dolomite formed 250 | million years ago) |
P. dakotensis Clark 1936 37 | Million years old |
P. gilpini Clark & Guensburg 1972 35 | Million years old |
The star is young, only 101 | million years old. |
It lived 210 | million years ago in Thailand. |
It lived in the Jehol Biota 120 | million years ago. |
Danny finds himself in Pliocene Africa, 4 | million years ago. |
Cleoselene may have split off around 10 | million years ago. |
Borophagus littoralis existed for 13 | million years (syn. |
The cluster is most likely around 13 | million years old. |
The age of the crater is estimated to be 73.3 | million years old (±5.3 million years)-the upper Cret |
s scale, there are 434 years per second, 1.57 | million years per hour, and 37.7 million years per da |
the lunar geologic timescale runs from 3,200 | million years ago to 1,100 million years ago. |
is believed to have first appeared around 1.8 | million years ago, compared to 2 million years ago fo |
omposed primarily of late Mesozoic (200 to 70 | million years old) Cenozoic (less than 70 million yea |
ylodoniscus could be the Cenomanian, about 95 | million years ago, or the Campanian-Maastrichtian, se |
the genus split from other penguins around 38 | million years ago, about 2 million years after the an |
The sample discovered is thought to be 100 | million years old, 40 million years older than the ne |
The flood basalts were erupted about 720 | million years ago after uplift began three to five mi |
stimate that Nimbadon first appeared about 15 | million years ago and died out about 12 million years |
It is theorized that 500 | million years ago, the white dwarf started to canniba |
The Sco-Cen subgroups range in age from 5 | million years (Upper Scorpius) to roughly 15 million |
He said, "Three hundred | million years before man was fish....if you gotta go |
s in the area date to the Cambrian period 500 | million years ago, with volcanic activity occurring i |
The arc formed 57 | million years ago as a result of subduction of the ea |
the Early Imbrian epoch occurred between 3850 | million years ago to about 3800 million years ago. |
the machaeridian family and existed from 480 | million years ago until about 250 million years ago. |
gibbons are believed to have branched off 18 | million years ago while Morotopithecus is dated to mo |
NGC 869 is 5.6 | million years old and NGC 884 is 3.2 million years ol |
Its age is only 120 | million years compared to the Sun's age of 4.6 billio |
that the genus may have originated around 14 | million years ago. |
ng the early Late Cretaceous Period, about 95 | million years ago. |
d, which lasted from approximately 542 to 488 | million years ago. |
nd in the Blancan of the Pliocene roughly 3.3 | million years ago. |
The Namurian age lasted from 326 to 313 | million years ago. |
It lived during the middle Eocene period 45 | million years ago. |
fossils of lyrebirds dating back to about 15 | million years ago. |
e age of the crater is estimated to be 99 ± 4 | million years (Cretaceous). |
which lasted from approximately 524 to 518.5 | million years ago. |
enus of stem-sperm whales that lived around 6 | million years ago. |
They lived on Earth 65 | million years ago, and constantly waged war against t |
It contains around 30 stars and is over 500 | million years old. |
osphates were deposited into the sea about 15 | million years ago. |
Well, they said that I was here about four | million years too soon. |
ng the Late Permian period, approximately 255 | million years ago. |
Recently a dinosaur trackway dating back 200 | million years was discovered in the area. |
It was formed approximately 56 | million years ago by several overlapping explosive er |
Its age is estimated to be less than 97 | million years (Cretaceous or younger). |
ra lived during the Miocene, approximately 12 | million years ago. |
the time between 245 ± 1.5 Ma and 228 ± 2 Ma ( | million years ago). |
t is believed to have first appeared about 60 | million years ago. |
Orion OB1c - the stars in Orion's Sword, 3-6 | million years old |
ed with the Eurasian Wolf which appeared 1.59 | million years earlier at 3.4 Ma. |
It lived somewhere between 23 | million years (Miocene Epoch) and 10,000 years (Pleis |
s to the late Aptian stage, approximately 115 | million years ago. |
ce of this ridge off the Pacific Northwest 43 | million years ago. |
ancient microcontinent that existed about 200 | million years ago. |
calculates to a period of approximately 21.9 | million years |
nk granite formations have been dated at 1590 | million years old. |
It lived 85 | million years ago in what is now China. |
calculates to a period of approximately 16.9 | million years |
This stage ended 1.806 Ma ( | million years ago) at the end of Marine Isotope Stage |
oximate age is estimated to be around 199-189 | million years old. |
It spans the time between 2.588 ± 0.005 Ma ( | million years ago) and 0.781 ± 0.005 Ma. |
as molten rock extruded onto the surface 185 | million years ago. |
est avian-line archosaur, dating to about 245 | million years ago. |
Magnum was a commander of the Autobots 9 | million years ago. |
300 | million years ago in the Late Carboniferous tropical |
ears to have evolved in East Africa 0.43-0.30 | million years ago. |
ved in the Maastrichtian and Campanian, 75-65 | million years ago. |
the Santonian and Campanian ages (85.8 - 70.6 | million years ago). |
It lived more than 100 | million years ago and was discovered preserved in amb |
t genus of aquatic lizard that lived about 95 | million years ago. |
ant leaf tree frog Agalychnis gigus extinct 6 | million years ago |
The star is old, only 400 | million years younger than the Universe itself. |
tion, from the Campanian-Maastrichtian, 71-70 | million years old. |
etoctopus annae, which lived approximately 95 | million years ago. |
It lived in the middle Permian, about 260 | million years ago. |
The Global Ocean (200 | million years time, in, the ocean of the world) |
coln County, Nevada dating to an accurate 4.6 | million years ago (AEO). |
idence suggests this split occurred around 40 | million years ago. |
ed from 15.97 ± 0.05 Ma to 11.608 ± 0.005 Ma ( | million years ago). |
yeast genome underwent duplication about 100 | million years ago. |
to the Santonian stage, around 86 to 84 mya ( | million years ago). |
footprints which were made approximately 190 | million years ago. |
It lived about 70 | million years ago, around the Campanian-Maastrichtian |
It is estimated to be about one | million years old, about 1/5000th of the Sun's age. |
om the Judith River Formation, dating to 77.5 | million years ago. |
ro Barcino Formation, Albian stage, about 110 | million years ago. |
atskills began existence as a river delta 350 | million years ago. |
It is estimated to be about 200 | million years old based on its chromospheric activity |
he Norwegian mountains were formed around 400 | million years ago during the Caledonian orogeny. |
The age is estimated to be less than 120 | million years (Lower Cretaceous). |
rehistoric rodent that lived approximately 30 | million years ago, during the Oligocene epoch. |
In 1.5 | million years, Eltanin will pass within 28 light year |
rface at the park were deposited at least 450 | million years ago . |
It is estimated to have formed about 470 | million years ago (Middle Ordovician). |
They are late Ordovician in age (roughly 450 | million years old). |
ls (both real and replicates) dating up to 40 | million years ago. |
of Reptiliomorpha, which lived about 320-305 | million years ago. |
s may have diverged much earlier, around 11.7 | million years ago. |
to the end of the Maastrichtian age, about 65 | million years ago. |
e Devonian period (Famennian stage, about 360 | million years ago). |
K-Ar dating of about 1.14 | million years was obtained from the Amorong volcanic |
eruption is unknown but possibly more than 1 | million years before present. |
ry of the Aptian to Albian stages, around 120 | million years ago. |
NASA has estimated that the planet has 10 | million years left of its life. |
langinian to Barremian stages) around 125-140 | million years ago. |
trata, the fossil specimen is about 58.2-58.5 | million years old. |
By 40 | million years ago, the compressional force of the Kul |
It lived approximately 23-16 | million years ago in the Miocene period. |
s (no visible change since the Priabonian, 35 | million years ago) |
A sun-like star usually takes around 100 | million years to form. |
e seamount is a volcano between 10.9 and 11.1 | million years old. |
te Triassic and the early Jurassic, about 210 | million years ago. |
during the middle Miocene, approximately 21.6 | million years ago. |
nable approximation for the previous and next | million years or so. |
during the mid-late Turonian stage, around 90 | million years ago. |
informally-named formation dates to 103 ± 0.5 | million years ago. |
sil from the Carboniferous (around 360 to 300 | million years ago). |
It lived in what is now Montana some 75 | million years ago. |
From 25 to 15 | million years ago most of New Zealand was still cover |
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