What is not yet known about the bubbles astronomy quizlet part?

Sierra Dibbert asked a question: What is not yet known about the bubbles astronomy quizlet part?
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Date created: Sat, Jul 3, 2021 2:33 PM

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❔ What is not yet known about the bubbles astronomy quizlet answers?

the Andromeda galaxy. the most distant cepheid astronomers can see. the most distant galaxy in which we have seen at Type 1a Supernova. (farthest) The astronomer Vesto Silpher at the Lowell Obsertatory was the first to show, in the 1910's, that (except for those in the same group with us) all other galaxies showed a _________ in their spectra.

❔ What is not yet known about the bubbles astronomy quizlet free?

Start studying Astronomy II: Test III (quiz questions, practice questions, test questions). Learn vocabulary, ... c. no because we do not know the precise value of Hubble's constant. b… Eventually, the bubbles' expansions slow, the gas cools down, the free electrons rejoin their atoms, and the bubbles merge with interstellar gas.

❔ What is not yet known about the bubbles astronomy quizlet game?

This early soup would have been impossible to look at, because light could not carry inside of it.

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A) a very low-density region of interstellar space, formed by the merger of several bubbles. B) a very high-density region of interstellar space, filled with gas ejected from nearby star systems. C) a bubble so large that it fills much of the galactic halo. D) the region of space cleared by a powerful supernova.

A galaxy that looks like a flat white disk with yellowish bulges at their centers. The disk is filled with cool gas and dust, interspersed with hotter ionized gas, and usually displays beautiful spiral arms. The bright, prominent arms, usually in a spiral pattern, found in most spiral galaxies. Nice work!

The likely explanation for the two huge clumps of radio emission far to either side of the visible galaxy is: The radio emission comes from gas shot out into space by jets powered by a supermassive black hole in the galactic center. The white arrow points to an object that lies within the disk of the galaxy shown.

11/10/2019 Ch 15 HW 18/22 Correct Part B What is not yet known about the bubbles? Chandra X-ray Telescope Fermi Gamma Ray Telescope Hubble Space Telescope ANSWER: How they are made. About how much energy is contained within them. Correct Part C Which of the following is NOT one of the ideas about what makes the bubbles? (In other words, the observers think they have safely ruled out this idea.)

It's called the Oort Cloud. Unlike the orbits of the planets and the Kuiper Belt, which are pretty flat like a disk, the Oort Cloud is a spherical shell surrounding everything in our solar system. It's like a bubble with a thick shell. The Oort Cloud is made up of icy pieces of space debris.

The source of the bubbles is a mystery. One possibility is that they are fueled by a wave of star births and deaths at the center of the galaxy. Another option is a gigantic belch from the black ...

The motion of astronomical objects due solely to this expansion is known as the Hubble flow. It is described by the equation v = H 0 D , with H 0 the constant of proportionality— Hubble constant —between the "proper distance" D to a galaxy, which can change over time, unlike the comoving distance , and its speed of separation v , i.e. the derivative of proper distance with respect to cosmological time coordinate.

It turns out that the Sun contains the same elements as Earth but not in the same proportions. About 73% of the Sun’s mass is hydrogen, and another 25% is helium. All the other chemical elements (including those we know and love in our own bodies, such as carbon, oxygen, and nitrogen) make up only 2% of our star.

2. dying stars expel gas and new elements producing hot bubbles (10^6 K) 3. hot gas cools, allowing atomic hydrogen clouds to form(100-10000 K) 4.Further cooling allows molecules to form, making molecular clouds (30K)

Kepler’s discovery in 2015 of irregular fluctuations in brightness in what came to be known as Tabby’s Star led to speculation of an alien megastructure, though scientists have since concluded that a dust cloud is the likely cause. However, Tabby’s Star has demonstrated the potential usefulness of looking for anomalies in data collected from space, as signs of technologically-advanced life may appear as aberrations from the norm.

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