Twa kɔ nsɛm atitiriw so

Sign up for FREE

Astronomy Review #3

Last updated about 7 years ago

7 Nsɛmmisa

1

1

1

1

1

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

According to the HR diagram above, an example of a star with a relatively low surface temperature and relatively dim would be

Sirius B

Spica

Antares

Wolf 359

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

Which of the following represents the correct life stage sequence for a high mass star?

white dwarf--red giant--main sequence--supernova

protostar--main sequence--white dwarf--red giant

protostar--main sequence--supergiant--supernova--black hole

protostar--main sequence--red giant--planetary nebular--white dwarf

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

Which of the following measures of brightness depend on where you measure it from?

Apparent magnitude

Absolute magnitude

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

An element has 14 protons, 15 neutrons, and 14 electrons. What is the element and is it an isotope or an ion?

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

If Potassium is an ion with a +1 charge, then how many protons and electrons does it have?

19 protons and 20 electrons

20 protons and 19 electrons

19 protons and 18 electrons

20 protons and 21 electrons

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

State Hubble's law and explain the equation and relationship shown in the data above.

Asemmisa {{asɛmmisaAhyɛnsode}}

7.

The hydrogen red line (656 nm) from a distance galaxy has a measured wavelength of 675 nm, what is its recessional speed as a percent of the speed of light. SHOW ALL WORK.