[permalink] [id link]
M71 was long thought ( until the 1970s ) to be a densely packed open cluster and was classified as such by leading astronomers in the field of star cluster research due to its lacking a dense central compression, and its stars having more " metals " than is usual for an ancient globular cluster ; furthermore, it's lacking the RR Lyrae " cluster " variable stars that are common in most globulars.
from
Wikipedia
Some Related Sentences
M71 and was
The inferiority of the Mauser M71 / 84 and its 11mm black powder ammunition was one reason why Bismarck opposed going to war with France that winter, despite being pressed by the War Minister Waldersee.
M71 and open
* M71: this object is a very loose globular cluster mistaken for quite some time for a dense open cluster.
M71 and cluster
However, modern photometric photometry has detected a short " horizontal branch " in the H-R diagram of M71, which is characteristic of a globular cluster.
Hence today, M71 is designated as a very loosely concentrated globular cluster, much like M68 in Hydra.
M71 and by
He independently discovered four others, originally discovered by someone else but unknown to him at the time and included in the Messier catalog: M71, discovered by Philippe de Cheseaux in the 1740s ; M80, discovered by Messier about two weeks earlier than Méchain's observation ; and M81 and M82, discovered originally by Johann Bode.
M71 and is
M71 is at a distance of about 12, 000 light years away from Earth and spans some 27 light years across.
M71 and .
was and long
It was partially cemented by ages and pressure, yet it crumpled before the onslaught of the powerful streams, the force of a thousand fire hoses, and with the gold it held washed down through the long sluices.
Having persisted too long in deliberate ignorance and denial of the forces that threatened her, Pamela was relieved now to admit their potency and to be taking definite steps toward grappling with them.
Moreover, as long as the weapon was carried openly, the sheriff's office had made no previous issue of it.
He paused only long enough to ascertain that Jess's buckskin was still missing and that his own gray was all right, then climbed through a back window and dropped to the ground outside.
So long as Sally's pa was coming out best on the haggle, Dan didn't feel the need of putting in his two-bits' worth.
The Palace was an elaborate establishment, built practically on stilts in front, with long flights of wooden steps running up to the porch.
My new Aunt was perhaps three or four years older than I and it had been a long time since I had seen as gorgeous a woman who oozed sex.
She was telling herself that this might just be her reward at the end of a long meaningful search for truth.
His long nose wiggled at the smells of frizzling bacon and heating java, but the fire was low, and he wanted to waste no time.
Our lifeboat was filling rapidly and despite what I had heard of the inhabitants of Eromonga, I was glad to see a long and graceful outrigger manned by three bronzed girls glide out of a lagoon into the open sea and toward our craft.
To Tilghman the incident was just one of a long list of hair-raising, smash-'em-down adventures on the side of the law which started in 1872 when he was only eighteen years old, and did not end till fifty years later when he was shot dead after warning a drunk to be quiet.
There was also a long wooden spear and a woomera, a spear-throwing device which gives the spear an enormous velocity and high accuracy.
Commanding the Continental Army for six long years of the Revolution, he was the indispensable factor in the ultimate victory.
was and thought
When they reached their neighbor's house, Pamela said a few polite words to Grace and kissed Melissa lightly on the forehead, the impulse prompted by a stray thought -- of the type to which she was frequently subject these days -- that they might never see one another again.
Mrs. Roebuck thought Johnson was a `` sweet bawh t'lah lahk thet '', but her Herman was getting to be a man, there was no getting around it.
The way his red rubber lips were stretched across his pearly little teeth I thought he was only having a little joke, but, no, he wanted me to bend down from the roar of wind so he could roar something into my ear.
He was aware of her as a frightfully good-looking American WAC, a second lieutenant assigned to do the paper work, ( regardless of how important she might have thought she was ) in the Command offices, but that was all.
Jack walked off alone out the road in the searing midday sun, past Robert Allen's three-room, tarpapered house, toward the field where the other boys were playing ball, thinking of what he would do in order to make Miss Langford have him stay in after school -- because this was the day he had decided when he thought he saw the look in her eyes.
That should do it, he thought, because Miss Langford had said she was going to be strict about school work.
`` I hated the war '', he said, `` but thought I ought to go because I was, perhaps, one of those who hadn't done enough to prevent it ''.
Miriam had not yet goaded him into mentioning her directly, but one can feel the generalized anger in Wright's remarks to reporters when he was asked, one morning on arrival in Chicago, what he thought of the city as a whole.
If there was ever a thought in her mind she might devote her life to religion, it was now dispelled.
2.046 seconds.