Astronomy Ranking Task: Doppler Shift

The area on the H-R diagram where “normal” stars can be found is known as the _________.

The light from distant stars moving rapidly away from us is shifted toward the red end of the spectrum.

b. The farther away a galaxy is the faster it appears to be moving away.

14. Why do stars have different levels of brightness, and how does one describe their brightness as compared to one another?

5. On what kind of diagram are stars plotted according to their surface temperature and luminosity?

Dreams lead to false hopes and are deceiving! That’s at least what some say. But throughout the dream unit we have seen and have read about achieving our dreams and not going the distance. It is worth it to dream because dreams give us hope and purpose, working hard at our dreams can have a great outcome, and Dreams can lead to more than we can imagine.

October Sky Essay Relationships are important in a teenagers life. Rather it’s with friends, family, or even strangers. Everyone around you can make a big difference to the way you look at yourself and where you end up in life. Relationships between teenagers and good or bad people can change their life forever. In the book October sky by Homer Hickam Jr, it shows that relationships can affect many things in a teenagers life.

Another property of a star is temperature. By measuring the temperature of a star, scientists are able to tell how hot the star is. They use color to measure the temperature of stars. The red ones are the coolest (3,500 K), the yellow ones are warmer (5,000 to 7,000 K), the white ones are warmer still (9,000 to 15,000 K), and the blue ones are the hottest (20,000 to 50,000 K).

Saturday,  19  April  2014,  4:38  PM Finished Saturday,  19  April  2014,  5:30  PM 51  mins  31  secs 100.00  out  of  a  maximum  of  100.00

What are the Higher Selves doing while all this is going on? Are they just busy manifesting miracles on other planets while Earth goes to Cosmic Doo-Doo?

the stars…. The lights grow brighter as the earth lurches away from the sun, and now the

PURPOSE: The aim of the investigation was to further our understanding of the physical laws that govern our ability to receive and interpret information in the form of visible light. We have all had a physics class that at least brushed the introduction of optics, but we can still further our comprehension by experimenting with optics that have different characteristics. Does one axis truly get inverted when viewing an object through a lens? How significant of an effect does human error have in calculating reflection (if any)? How much does magnification blur an image viewed through an optic? How much does the angle of light deflect from a change of medium?

*~*~Rachel Pudsey will donate all book sales profit made from October 7, 2017 until November 18, 2017 to BBC Children in Need to raise money for disadvantaged children and young people in the UK. ~*~*

The Annual Victorian Indigenous Art Awards is celebrating its 10th anniversary, again bringing Aboriginal and Torres Strait Islander artists from across the state to present their art to the community of Ballarat.

Cosmological redshift is the lengthening of light waves due to the expansion of space whereas the Doppler shift is light or sound waves that are shortened or lengthened because the object is moving closer or farther away from you. These two types of shift differ because in cosmological redshift the space between the observer and the object is being stretched and in the case of Doppler shift the object itself is actually moving closer or farther