More Quizlet

Question 1

Different types of supernova

Answer 1

1. Carbon detonation

2. Death of a high mass star

Question 2

Carbon detonation supernova:

Answer 2

A white dwarf has accumulated too much mass from binary companion

Question 3

If a white dwarfs mass exceeds what number of solar masses? Carbon fusion begins throughout the Star and results in a carbon explosion

Answer 3

1.4 solar masses

Question 4

For stellar remnants as mass increases:

Answer 4

Radius decreases

Question 5

Massive stars become hot enough to fuse carbon, then heavier elements until iron. At the end the core collapses and rebounds as a:

Answer 5

Throw 2 supernova

Question 6

All heavy elements are formed in:

Answer 6

1. Stellar cores

Or

2. Supernovae

Question 7

1 degree =

Answer 7

60 arc minutes

Question 8

1 arc minutes

Answer 8

= 60 arc seconds

Question 9

Solar day is how much longer than sidereal day?

Answer 9

3.9 minutes

Question 10

Combination of day length and sunlight angle gives what:

Answer 10

Seasons

Question 11

Time from one verbal equinox to next is:

Answer 11

Tropical earth

Question 12

Why do we experience seasons on earth?

Answer 12

Tilt of the earths spin on axis

Question 13

Why do we always see the same side of the moon?

Answer 13

It spins once around own axis in same amount of time it takes to orbit earth (29 days) synchronous rotation

Question 14

1/2 of moons surface is always illuminated by sun

Answer 14

Phases of moon are due to changes in moons illumination as seen from earth

Question 15

Moon takes about 29.5 days to go through whole cycle of phases

Answer 15

Synodic month

Question 16

Sidereal month is about 2 days short than

Answer 16

Time to make full 369 around earth

Question 17

Parallax/360 =

Answer 17

Baseline / circumference

Question 18

Angular diameter / 360 =

Answer 18

Diameter / circumference

Question 19

Scientific theatrics must be:

Answer 19

1. Testable and continually tested
2. Should be simple and elegant
3. Proven wrong but never with 100% certainty
4. Observation leads to theory explaining it

Question 20

Plane of earths orbit around sun is ecliptic at:

Answer 20

23.5 to celestial equator