lecture 15 Flashcards

1
Q

Telescopes

A

used to study the composition, structure, and dynamics of celestial objects, as well as their atmospheres and surfaces. used to detect and study exoplanets orbiting other stars.

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2
Q

Probes

A

are unmanned spacecraft,

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3
Q

Flyby Spacecraft

A

Observe targets using
onboard instruments as they
pass by - do not get captured
by planet’s gravitational field

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4
Q

Orbiter Spacecraft:

A

Enter into orbit around a
planet or moon, cope with
communications interruptions
due to occultations (e.g.
Galileo probe

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5
Q

Atmospheric Spacecraft

A

Sacrificial spacecraft which
collect data on composition,
temperature, pressure, etc. of
a planet’s atmosphere and
then burn up

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6
Q

Lander Spacecraft:

A

Designed to reach the
surface of the planet and
perform chemical analysis of
composition and relay
photographs

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7
Q

Rover Spacecraft

A

Mobile units designed to
explore planetary surfaces,
perform chemical analysis
and prepare samples for
return

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8
Q

Impactor Spacecraft:

A

May be designed to disturb
materials so that composition
can be more easily studied,
or to alter trajectory

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9
Q

Observatory Spacecraft

A

Occupies an Earth orbit or
stationed at a Lagrange point
and equipped with advanced
optical instruments

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10
Q

Comms Spacecraft:

A

Often stationed in Earth
orbits, these support
communication with
spacecraft - planned
deployment elsewhere

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11
Q

Perseverance Rover when was it deployed and what does it search for

A

deployed 2020, search for ancient life(microbial activity, chemical signatures) and collect rock,

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12
Q

what is the key tech on perseverance rover

A

Mastcam-Z(camera), SuperCam(imaging and chemical composition analysis), Moxie(oxygen resource)

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13
Q

What is the best time to launch spacecraft to get to mars and why

A

26 months apart, fueling restrictictions

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14
Q

gravitational slingshot

A

using a planet’s gravity and orbital
motion to accelerate a passing spacecraft

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15
Q

ISS is the

A

largest space station (NASA ROSCOSMOS JAXA ESA and CSA)

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16
Q

ISS researches

A

astrobiology, astronomy, materials science, space weather and meteorology

17
Q

How many crewed moon landings were there on the moon

A

6 between 1969-1972, with 12 people stepping on the moon

18
Q

Apollo 11 was the first landing(what date?)

A

1969

19
Q

Apollo The initial launch vehicle must therefore be able to lift the combined
weight of

A

gear, moon landing rocket, departure rocket, earth reentry equipment, fuel

20
Q

Artemis program

A

establish lunar gateway(powered by solar), occupy near NRHO

21
Q

NRHO

A

near-rectilinear
halo orbit

22
Q

Capstone Mission

A

Launched by NZ. orbit is centered around the L2 Lagrange point of the
Earth-Moon system. Testing autonomous positioning system

23
Q

Voyager 1 and 2 are currently 159 and 133

A

AU from Earth

24
Q

Hubble Space Telescope

A

observes in the ultraviolet, visible, and
near-infrared bands of the electromagnetic spectrum

25
Q

Kelper Space Telescope

A

designed to discover Earth-sized
exoplanets in the habitable zones of other star

26
Q

James Webb Space Telescope

A

upgrade from hubble space telescope, infrared