Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Three earth/space science questions? An astronomer would most likely user a parallax to....?

An astronomer sees two stars in the sky. Both stars are equally far from Earth, but the first star is dimmer than the second star. Which of the following is a valid conclusion about the first star?

It is larger than the second star.

It is smaller than the second star.

It is older than the second star.

It is younger than the second star.

Which of the following is a massive star that has reached the end of its stellar evolution?

neutron star

red giant

stellar nebula

white dwarf

An astronomer would most likely use parallax to

see the Doppler shift in a star.

measure the distance to a star.

measure the temperature of a star.

see the emission spectrum of a star.

2 Answers

Relevance
  • 8 years ago
    Favorite Answer

    1) the first star can be either small or old or even both!

    2)red giant is a massive star. (Nebula is NOT a star... It's the gaseous remains of a dead or exploded star.... It's where new stars are born)

    3) Parallax method is generally used to measure the distance... And the other three are determined later using these values!

    Source(s): Some books I've read!
  • 4 years ago

    Graduate Engineer and Creationist believer for 40 years. a million/ there are strategies extra valuable than - God created the gentle on its way right here. besides the fact that those extra valuable solutions are in trouble-free terms understood by using people who think of that God is one that stands exterior time, and hence prophesied the way forward for the Jewish united states of america. 2/ There are differences between countless branches of Physics on the completed time because of the fact the great bang, and the Calculations to 2d 0, do no longer correspond with distances which convert to cases stated by using Hubble. 3/ As a geologist you may have had an entire life of documents which ignores the discontinuities on your own technology, the main important being that ninety 9% of the worldwide has lacking geological layers, or inverted sequences. 4/ in case you ever study the nicely seen Creationist Literature you will locate many extra issues which confound uniformitarianiasm, alongside with small thickness of moon dirt, speedy decay of the earths magnetic field (indicating earth below 20,000 years previous) Henry Morris lists sixty 8 such low age alerts. 5/ Creationists interior the 1960's asked Colorado State college to witness tests on Pre Cambrian rocks extracted from the backside Strata interior the Grand Canyon that have been exhibiting Pollen grains. They refused. Your technology hence stands condemned as being without basic honesty, in Colorado a minimum of !

Still have questions? Get your answers by asking now.