Men on Mars?

Accomplish (v)

• the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization

• having a wavelength shorter than that of the violet end of the visible spectrum but longer than that of X-rays

• achieve or complete successfully

• a matter of interest or importance to someone

Concern (n)

• the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization

• having a wavelength shorter than that of the violet end of the visible spectrum but longer than that of X-rays

• achieve or complete successfully

• a matter of interest or importance to someone

Ultraviolet (adj)

• the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization

• having a wavelength shorter than that of the violet end of the visible spectrum but longer than that of X-rays

• achieve or complete successfully

• a matter of interest or importance to someone

Radiation (n)

• the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization

• having a wavelength shorter than that of the violet end of the visible spectrum but longer than that of X-rays

• achieve or complete successfully

• a matter of interest or importance to someone

Prolonged (adj)

• lasting longer than is usual or expected

• an action of moving downward, dropping, or falling

• examine methodically and in detail the constitution or structure of (something, especially information), typically for purposes of explanation and interpretation

• continuing for a long time or longer than usual; lengthy

Extended (adj)

• lasting longer than is usual or expected; prolonged

• an action of moving downward, dropping, or falling.: "the plane had gone into a steep descent

• examine methodically and in detail the constitution or structure of (something, especially information), typically for purposes of explanation and interpretation

• continuing for a long time or longer than usual; lengthy

Analyze (v)

• lasting longer than is usual or expected; prolonged

• an action of moving downward, dropping, or falling

• examine methodically and in detail the constitution or structure of (something, especially information), typically for purposes of explanation and interpretation

• continuing for a long time or longer than usual; lengthy

Descent (n)

• lasting longer than is usual or expected; prolonged

• an action of moving downward, dropping, or falling

• examine methodically and in detail the constitution or structure of (something, especially information), typically for purposes of explanation and interpretation

• continuing for a long time or longer than usual; lengthy

Venture (n)

• a form of electromagnetic radiation that our eyes can't see

• to a small degree; not considerably

• a risky or daring journey or undertaking

• the nonphysical part of a person which is the seat of emotions and character; the soul

Spirit (n)

• a form of electromagnetic radiation that our eyes can't see

• to a small degree; not considerably

• a risky or daring journey or undertaking

• the nonphysical part of a person which is the seat of emotions and character; the soul