Quick memory stuff

Answer 1

Answer 2

Question 3

Example of an impactor probe

Answer 3

DEEP IMPACT

Sent to comet temple 1

Results showed the material was fine - more like ‘talcum powder than sand’ and composition of materials ejected were analysed.

Question 4

Example of a fly-by probe

Answer 4

NEW HORIZONS

pluto (outer solar system)

Took measurements of Plutos atmosphere

Question 5

Example of an orbiter

Answer 5

JUNO

Jupiter

It has equipment designed to measure the composition, magnetic field, mass and gravity of the planet

Question 6

Example of an lander

Answer 6

PHILAE

comet 67p

It managed to take some analysis of water-rich surface chemicals

Question 7

What is the lifecycle of stars

Answer 7

Question 8

Which star does electron pressure occur in?

Answer 8

Question 9

What is electron degeneracy pressure?

Answer 9

The strong gravity means electrons are more compact

Question 10

What will happen if a white dwarf surpasses the Chandrasekhar limit

Answer 10

If the pressure can no longer hold the gravity after this point it will become a neutron star

Question 11

Which star does neutron pressure occur in?

Answer 11

Question 12

What happens in a neutron star?

Answer 12

In a neutron star electrons and protons combine to form neutrons

Question 13

Which star does radiation pressure occur in?

Answer 13

Question 14

State why neutron stars are not plotted on the Hertzsprung-Russell diagram

Answer 14

They do not have a spectral type (no absorption spectra)

Answer 15

Question 16

It is possible for water to exist as a liquid below the surface of Enceladus and Europa.

Analyse the data in Figure 9 in order to explain this statement

Answer 16

The moons generate internal heat (1)
from tidal gravitational forces (1)

Question 17

Liquid water is not thought to exist in the nucleus of the comet 67P.

Analyse the data in Figure 9 in order to explain this statement.

Answer 17

does not experience tidal forces (1)
because it does not orbit close to a gas giant planet (1)

Question 18

Where will the lagrangian points be plotted?

Answer 18

Question 19

Significance of lagrangian points?

Answer 19

Combined gravity of both bodied = centripetal force needed to maintain circular motion

Question 20

Roche limit

Answer 20

The minimum distance to which a large satellite can approach a large body without being torn apart

Question 21

Astrometry

Answer 21

Question 22

Transit method

Answer 22

Question 23

Radial velocity

Question 24

Which planet is Encaledeus in orbit with?

Answer 24

Saturn

Question 25

Encaledeus

Answer 25

salt water, ammonia, co2 and hydrocarbons erupt

Question 26

Which planet is Europa in orbit with?

Answer 26

Jupiter

Question 27

Europa

Answer 27

Ocean of liquid water under its shell

Question 28

Which planet is Titan in orbit with?

Answer 28

Saturn

Question 29

TItan

Answer 29

Seas of Liquid hydrocarbons