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Is better for astronomers to measure parallax every year in the same spot?
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How do astronomers determine the precession of the earth?
By finding a constant, continuous change in the coordinates of stars every year.
How would earth appear at radio wavelengths to extraterrestrial astronomers?
as a highly variable set of transmissions that would repeat roughly every 24 hours
Why do astronomers say the sun rotates every 27 to 31 days rather than give an exact number?
The sun is not a solid object and different parts of it rotate at different speeds.
Diameter of the universe?
With current technology, astronomers are able to detect objects (galaxies) out to about 14 billion light years from us in every direction. We don't know what's farther than that.
What did they use to measure to be sure that every stone was level?
An air-bubble level.
Why might astronomers use different types of telescopes to obtain images in space?
to get every view
What did many astronomers about galaxies prior to the 1920's?
The Milky Way, included every object in space
How do astronomers determine the precession of the earth?
By finding a constant, continuous change in the coordinates of stars every year.
How do astronomers know that hydrogen is present in almost every star in the universe?
They detect the absorption lines consistent with hydrogen.
The main beat in every measure happens right before the barline?
It happens right after the barline, in every measure
Who were astronomers who contributed to the destruction of the Aristotelian view of the Universe?
Galileo, Newton, Nicolas Copernicus, Kepler, Einstein. Also, every satellite, every telescope, and every modern day scientist or citizen for that matter.
What kind of problems or developments do astronomers face?
One of the biggest problems facing astronomers is that they are Earth based and can not travel with anything besides their eyes and high powered telescopes through space to the stars and planets they study. More advances are being made every day, however, and by the time space travel becomes common our astronomers will have armed us with a wealth of knowledge.
What can you mix in the gas for car to make it work better?
Nothing. Fuel additives are best used in a time of need, not as a preventative measure. For every problem they solve, they create more.
How would earth appear at radio wavelengths to extraterrestrial astronomers?
as a highly variable set of transmissions that would repeat roughly every 24 hours
Who used a telesocpe to make detailed observations of the stars and planets?
Lots of people did, and still do. Astronomers do that all the time.
How do you measure a crouch start?
I run almost every day. You take a ruler and measure the person foot
Who better Marcus or jahmani?
Jahmani is better. Every body no that. :)
