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Displaying 1—10 of 1000 matches for query "23._Is_the_Universe_expanding_or_contracting" retrieved in 0.025 sec with these stats:
- "23" found 31937 times in 12990 documents
- "is" found 42921 times in 8383 documents
- "the" found 506431 times in 20587 documents
- "univers" found 9540 times in 3847 documents
- "expand" found 1312 times in 992 documents
- "or" found 21946 times in 6355 documents
- "contract" found 7720 times in 3373 documents
Dr. Edwin Hubble discovered that the Universe was expanding at the same time he discovered that the spiral nebulae he was studying were really galaxies. He discovered that they were moving away from us so fast that their light was stretched in what is called red ...
... to the formation of the first stars in our Universe. This puts the size of our observable Universe at a distance of 13.7 billion light years. New evidence also shows that the expansion of the Universe is continuing and even accelerating.
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Answer provided by Jim Zebrowski
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by ...
... or already in a state of singularity. In this state it becomes immune to most cosmic catastrophes and subsequently transforms into a super civilization. It is therefore concluded that contrary to the pessimists the universe is probably teeming with super civilizations. This should be taken into account when interpreting astronomical phenomena by allowing for the possibility that not ...
... 's exciting to blast off into space. The loudness is outside the vehicle. The crew feels the noise through the structure but they don't wear earplugs. Occupants of the vehicle do not feel heat on launch ... . Col. USAF (Ret.) William G. Gregory
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer
Image:9781894959421.jpg '''Buy This ...
It is black in space On Earth, the sky appears blue because the blue portion of the Sun's light scatters the most as it enters our atmosphere. Scattering is very dependent on the wavelength of the light— thus, a shorter wavelength like blue light scatters more—and the size of the gas and dust particles found in the atmosphere. The gas and ...
The Sun is a stable, middle-aged star that has allowed our solar system to develop life on Earth over the last 4.6 billion years. It will last many more billions of ... Earth.
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Answer provided by Jim Zebrowski
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer
Image:9781894959421.jpg '''Buy This ...
Because the Moon has no magnetic field, the core is most likely cold. Magnetic fields are believed to be only associated with cores that are ... Matula, Ph.D. & Kenneth J. Murphy
Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer
Image:9781894959421.jpg '''Buy This ...
... is the distance between a planet and the Sun, and ''G '' = 6.67 x 10-11m3kg-1s-2is the universal ... contraction of these massive planets, the heat released from their interiors is about two or three times the incident solar flux. This internal heat (which is many orders of magnitude greater than that for the terrestrial planets) is ...
... have been studying the Sun and gathering enough data from distant stars to better understand the average life span of a star like our Sun. They now know it is a middle-aged ... , until it turns the core into carbon ash and the same process of contraction and expansion happens again, but only briefly, for a few million years. The Sun will now rapidly expand to almost within ...
... to think that life out there is possible—although the idea still leaves some people snickering. Now several universities offer courses in exobiology, which is the study of extreme life forms. And ... or me. Did you know that here on Earth there are animals that never see the Sun and live by eating rocks? Others live underwater where the temperature is above the boiling point and the pressure is ...
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