pulsar
n. an astronomical source or powerful radio waves emitted in short, intense bursts or pulses at very precise intervals 脉冲星

quasar
n. a heavenly object which emits powerful blue light and radio waves; quasi-stellar objects 类星体

galactic
a. of or having to do with the Milky Way or with other galaxies

ethic
n. system of moral behavior 伦理

noninterference
n. the practice of not taking part in or trying to influence the affairs of other people, countries, etc.

appropriate
a. correct or suitable for a particular situation or occasion

immortality
n. the state of being immortal; never-ending life or endless fame 不朽，永存；不灭的声望

motivation
n. need; desire 动因；动力

motivate
vt.

gallivant
vi. go around amusing oneself; wander

adolescent
a. growing up from childhood to adulthood; immature
assurance
n. belief in one's own ability; confidence

brim
vi. be full to the brim

amenable
a. that can be tested (by)

verification
n. proof by evidence; confirmation 证明；核实

extensive
a. large in amount, area or range

organism
n. a living being

Phrases & Expressions
if any
possibly none

seek out
find (sb. or sth.) by looking hard

might very well
be (very) likely to

to date
until today; yet

band in hand with
together with

be dedicated to
be devoted to; be intended to be used for

along with
together with

depend on
following directly or logically from; turn on

so as to
in order to

in a position to
able to

brim over with
have an abundance of

cry out for
need badly

Proper Names
Carl Sagan
卡尔.萨根

Greenbank
格林班克

West Virginia
西弗吉尼亚州

Frank Drake
弗兰克.德雷克

Cornell University
康乃尔大学

the Land of Oz
奥兹国

the Soviet Union
苏联

the Amazon
亚马逊河