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Universe Questions and Answers (Q&A)

C. Block, English Professor
Answered: Dec 22, 2020
It was a popularly thought some several decades ago that the atom was the smallest thing in the universe, following Dalton’s model where he defined Atom as the smallest, indivisible...Read More

4 Answers

698 views
N. Kingsley, Writer
Answered: Sep 18, 2018
The CMB radiation was emitted 13.7 billion years ago, only a few hundred thousand years after The Big Bang. It was even before stars or galaxies existed. By studying the detailed physical...Read More

2 Answers

500 views
Howard Reyes, Science Teacher
Answered: Jul 31, 2019
There are tens of thousands of galaxies and our galaxy, The Milky Way, is just one of them. Galaxies have many shapes and sizes; however, they have the commonality of gravity, stars, gases, dust,...Read More

3 Answers

422 views
C. Marcus, Content Developer
Answered: Oct 05, 2018
SETI program stands for Search for Extraterrestial Intelligence. The acronym was formed in the 1960's. The program describes the works of astronomers who were in search of evidence of existence...Read More

1 Answer

402 views
C. Marcus, Content Developer
Answered: Oct 05, 2018
According to the definition given by International Astronomical Union (IAU), a light year is the distance that light travels in a vacuum. A light year is a unit used to express and measure...Read More

1 Answer

317 views
L. Sevigny, Doctor
Answered: Oct 05, 2018
The exact number of celestial bodies is unknown. It is believed that they are billions of celestial bodies. Celestial bodies include Sun, Planets, natural Satellites, Comets, Asteroids, Stars,...Read More

1 Answer

304 views
Bobby Rickets, Content Reviewer
Answered: Nov 22, 2018
There are some people who wish that they would be able to reach the edge of the universe but they are not sure how they are going to do it. Some have speculations that when you reach the edge of...Read More

1 Answer

303 views
Carice Snow, Motivator
Answered: Nov 22, 2018
There are a lot of cosmologists that are saying that the universe is still continuing to expand as time passes by. The galaxy is said to be expanding faster than light. Some say that this is...Read More

2 Answers

293 views
L. Hawkes, Teacher
Answered: Oct 05, 2018
The exact shape of the universe is still a matter of debate among scientists. The shape can be described by the critical density. If the density of the universe is more than the critical de...Read More

1 Answer

292 views
M. Kennedy, Web Content Writer
Answered: Oct 05, 2018
Celestial bodies, also known as heavenly bodies are natural bodies that exist outside the earth's atmosphere. Examples of celestial bodies are: Sun, Moon, Stars, Asteroids, Kuiper belt, Comets,...Read More

1 Answer

284 views
M. Kennedy, Web Content Writer
Answered: Oct 05, 2018
Yes, a star can be considered as a celestial body. By definition, celestial bodies is any object that exist outside the earth's atmosphere. Stars are large balls of hot gases, they produc...Read More

1 Answer

274 views
Carice Snow, Motivator
Answered: Nov 22, 2018
There are a lot of speculations about how big the universe is. One thing is for sure, the universe is surely vast. According to some reports, the universe may be about 93 billion light years if...Read More

1 Answer

273 views
Ts
Answered: Oct 30, 2024
The Oort Cloud

1 Answer

271 views
C. Marcus, Content Developer
Answered: Oct 05, 2018
Many astromers contributed to the discovery of celestial bodies. Celestial bodies were not discovered at the same time or by the same people. Galileo Galilei diiscoved details of the bodies of...Read More

1 Answer

260 views
Bobby Rickets, Content Reviewer
Answered: Nov 22, 2018
There are different things that people believe in regarding the start of the universe. One of the theories used is the Big Bang Theory. According to this theory, 15 billion years ago, life did...Read More

1 Answer

260 views

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