- MARS
- Bar that's out of this world?
- Objective for 1-down
- The Red Planet
- Popular chocolate bar
- Viking destination
- Its year is 687 Earth days long
- Red planet
- M&M;'s maker
- Place where days are 24 hours, 39 minutes, and 35 seconds long
- Crooner Bruno
- Setting of the sci-fi story "Out of the Silent Planet"
- Whence the Stranger in "Stranger in a Strange Land"
- Candy name
- SpaceX's goal
- Where a solar day lasts 24 hours, 39 minutes, and 35 seconds
- What Deimos and Phobos orbit
- Celestial body
- Jupiter's neighbor
- Polar Lander's target
- Pathfinder's destination
- What Phobos orbits
- TV sleuth Veronica
- Vikings' destination
- Two-mooned world
- What Deimos orbits
- Where Vikings landed
- Where Curiosity went
- 2013's "Treasure" singer Bruno
- Its year lasts 687 days
- 2015 sci-fi blockbuster setting
- God of war
- Canadian chocolate bar that's out of this world?
- Fourth rock from the Sun
- Place explored in 2004 by Spirit
- Opportunity came to it
- Phoenix lander's destination
- *"The Bringer of War"
- Scratches the surface of, say
- Earth neighbor
- Where the Pathfinder landed
- War of the Worlds world
- Mission to ___ (2000 movie)
- Planet in a 1938 radio "invasion"
- Total Recall setting
- Earth's outer neighbor
- Milky Way maker
- Big name in candy bars
- The War of the Worlds world
- Visiting team in "War of the Worlds"
- Phobos orbits it
- Land of Opportunity?
- Third-smallest of nine
- Where to find Utopia Plains
- Total Recall planet
- Bellicose Roman god
- The War of the Worlds home planet
- Where Spirit was a rover
- ___ Attacks! (1996 Tim Burton movie)
- Roman god of war
- Invaders From ___ (1953 sci-fi movie)
- Candy bar maker
- Fourth planet from the sun
- Neighbor of Jupiter
- Vikings explored it
- Curiosity destination
- Singer Bruno
- Curiosity's destination
- The War of the Worlds base
- An almond in every bite bar
- Big name in candy
- Space bar?
- Warmonger of Roman mythology
- See 41-Across
- Fictional badass who will return in 2014, this time on the big screen
- Planet home to many sci-fi aliens
- Holst subject
- The War of the Worlds planet
- Viking I destination
- War of the Worlds invader
- Fourth planet
- Where men are from?
- The War of the Worlds enemy
- War god
- OPPORTUNITY'S DESTINATION
- Bar maker
- Common bar name
- Fourth of eight, now
- Planet between Earth and Jupiter
- Son of Juno
- Octet member with the shortest name
- Jupiter neighbor
- Opening movement of Holst's "The Planets"
- Viking's landing place
- The War of the Worlds foe
- Bar in a brown wrapper
- Romans' 16-Down
- Rover's turf
- Site of the volcano Olympus Mons
- Viking landing site
- Rover exploration site
- Fourth of eight
- Milky Way source
- Blemishes
- Veronica __: teen drama starring Kristen Bell
- Rover's territory
- 24K Magic singer Bruno
- Rover's destination
- Second-smallest of eight
- Singer Bruno who won six 2017 Grammy Awards
- Where Mark Watney grew potatoes in a 2015 film
- Damages
- Perseverance's home
- Uptown Funk singer Bruno
- Home to the largest known volcano in the solar system
- Marvin's home
- Olympus Mons location
- Utopia Plains setting
- War of the Worlds foe
- Pathfinder's landing place
- War of the Worlds enemy
- Hershey competitor
- The fourth planet
- Holst suite subject
- Roman war god
- Spirit's destination
- Scratches up
- Astronomical neighbor
- Deimos circles it
- TV detective Veronica
- Ares alias
- Planet beyond Earth
- Scratches, perhaps
- Nearby orb
- Where Viking 1 landed
- Hershey rival
- Curiosity rover's destination
- Curiosity probe's destination
- Bringer of War in a Holst work
- Pop singer Bruno
- Where Curiosity roves
- Where Curiosity landed
- Damon's home in a 2015 film
- Owner of Whiskas cat food
- Big name in bars
- Red planet beyond Earth
- Renders imperfect, perhaps
- Where "the best candy on earth comes from"
- Phobos circles it
- Where Vikings explored?
- Deimos is one of its moons
- An eye like ___, to threaten and command.—Hamlet.
- Planet.
- Martin patrol bomber, first plane ever awarded Navy keel-laying honors.
- A month keeps his name.
- Largest flying boat.
- Giant flying boat.
- Major planet.
- Father of Romulus and Remus.
- Planet whose year is 686.98 days.
- Where the Mavortians live.
- Caroline ___, giant airship.
- First stop for the rocket ship.
- From which the flying saucers did not come.
- It is 35 million miles from earth.
- Locale of some science-fiction stories.
- Astronaut's interest.
- Locale for a space story.
- Stop-off point for Capt. Video.
- Symbol of war.
- Son of Man o' War.
- VIP on Olympus.
- Astronomers' concern.
- Earth's neighbor.
- Member of the solar system.
- Olympian.
- Orrery unit.
- Goal of spacemen.
- Man of war.
- Olympian god.
- Reddish planet.
- Reputed father of Romulus.
- Father of Romulus.
- Astronaut's concern.
- Champ de ___, Paris.
- Red member of the solar system.
- Small planet.
- Cupid's father.
- Ares.
- Roman god.
- ___ yellow.
- Mariner's goal.
- Subject of recent pictures.
- Champ de ___, Paris square.
- Locale of future walk?
- Subject of NASA probe.
- Subject of pictures taken in 1965.
- Bellicose god.
- Planet or Roman god
- Romulus's escort to heaven
- Champ de ___.
- Name in the NASA roster.
- Objective for NASA.
- Science fiction site
- Sky sight.
- Spoils
- Target of Mariners
- Space-probe target
- Defaces
- NASA subject
- Space target
- Mariner target
- Viking I's perch
- Viking landfall
- God for whom a month was named
- Mariner IV photo subject
- Space place
- Ares' Roman counterpart
- Belligerent god
- Place of interest to NASA
- Recent NASA target
- Sci-fi site
- Solar-system member
- Viking II's target
- Subject of close-up photos since 1965
- Viking I landfall
- Ares, to Antony
- Counterpart of Ares
- Target of Mariner IV
- He took Romulus to heaven
- Viking target
- A son of Juno
- Nerio's husband
- Planet or war god
- Romulus's father
- Revolver between us and Jupiter
- Bellona's brother
- Février follower
- Patron of Roman husbandmen
- Place in space
- Planet fourth nearest to the sun
- Ares, to Caesar
- Fourth-from-the-sun planet
- An offspring of Juno
- Father of Remus and Romulus
- Seventh largest planet
- Olympic hawk
- Flash Gordon serial site
- Viking touchdown site
- _____ Observer (1992 mission)
- War of the Worlds base camp
- Snickers company
- Kind of bar
- Either "M" of M&M's
- Olympus Mons's locale
- Pathfinder's locale
- Olympus Mons site
- Sojourner's resting place
- Global Surveyor's destination
- Where the Vikings landed
- One of the worlds in "The War of the Worlds"
- Pathfinder's target
- Sci-fi setting
- Invaders From ___ (1953 sci-fi)
- Maker of Twix and Starburst
- Pathfinder explored it
- Twix candy maker
- Snickers alternative
- Deimos orbits it
- Neighbor of Earth
- ___ rover
- Home of the invaders in Wells's "The War of the Worlds"
- Location of Olympus Mons
- Phoenix landing site, 2008
- Rover's home
- The Sands of ___ (Arthur C. Clarke's first science fiction novel)
- Maker of 31-Across
- Roman 18-Across
- Setting of the 2012 film "John Carter"
- Target of NASA's Rover mission
- Curiosity's locale
- Twix maker
- Where Spirit landed in 2004
- Chocolate treat since 1932
- Mount Olympus, at 72,000 feet, is its highest peak
- Opportunity's on it
- Where Matt Damon was stranded in a 2015 film
- Counterpart of Venus
- Home to the 72,000-foot volcano Olympus Mons
- Neighbor of the asteroid belt
- Damage
- What areology is the study of
- Destination of the rover Perseverance
- What two Vikings have explored
- Locale of the Perseverance rover
- Destination for NASA's Perseverance rover
- Fourth planet mentioned in "Interplanet Janet"
- 'Invaders from --' ('53 film)
- Where Jared Leto's going in "30 Seconds"
- Rover's planet
- Jared Leto's locale in "30 Seconds"?
- Alt-rockers 30 Seconds to ___
- Location of the volcano Olympus Mons
- Olympus Mons locale
- A landing is scheduled here in 2003
- Brian De Palma's "Mission to ___" (2000)
- Whence the title character of "Stranger in a Strange Land"
- Home to Octavia E. Butler Landing
- Planet with the moons Phobos and Deimos
- Birth planet for the protagonist of "Stranger in a Strange Land"
- Focus of NASA's Viking program
- Planet explored by the rover Perseverance
- Reddish speck in the night sky
- Sci-fi landing site
- Pugnacious deity
- Utopia Plains locale
- Setting for many sci-fi films
- Ares to the Romans
- Utopia Planitia setting
- Viking mission
- Sci-fi landing site, sometimes
- Snickers producer
- Pathfinder's path
- Popular sci-fi site
- Noted candy company
- Vikings' landing site
- Milky Way creator
- Curiosity rover's planet
- Second-smallest planet
- Inner planet that's farthest from the sun
- Planet with polar ice caps
- Snickers maker
- Perseverance rover's location
- Perseverance rover's planet
- Olympus Mons' planet
- Planet that some have proposed terraforming
- Where Curiosity roams
- Where to find Perseverance and Curiosity
- Our planetary neighbor
- NASA target
- Disfigures
- Space spinner
- 4th "rock" from the sun?
- A Viking landed here
- Ares' counterpart
- Polar Lander's destination
- A planet
- Popular sci-fi locale
- Global Surveyor subject
- Sci-fi landing site, perhaps
- Big red planet
- Fourth in a celestial progression
- Company that produces Snickers
- Source of men?
- It orbits around the sun
- 3 Musketeers maker
- That's What I Like singer Bruno
- One target of NASA's Mariner program
- Just the Way You Are singer Bruno
- The War of the Worlds invader
- Bruno with 11 Grammys
- Finesse singer Bruno
- Planet visited by InSight
- Home planet of many fictional aliens
- Planned destination of the Rosalind Franklin rover
- Rust-colored planet
- Where the Spirit rover landed
- Where the Zhurong rover landed
- Planet explored by the Opportunity rover
- Ares by another name
- Dents
- Warrior god
- Divine warrior
- Where rovers rove
- Where the Spirit landed
- Setting for part of "Total Recall"
- Next-door neighbor, in a way
- Ad Astra planet
- And here's to you, ___ Robinson ...
- Place that Carl Sagan called "a kind of mythic arena onto which we have projected our earthly hopes and fears"
- Valentine Michael Smith's birthplace, in the sci-fi book "Stranger in a Strange Land"
- Company known for producing Snickers
- Site of Olympus Mons
- Its highest point is Mount Olympus
- Opportunity visited it
- Pathfinder destination
- Its tallest point is Olympus Mons
- Men's home?
- Just the Way You Are Grammy winner Bruno
- Olympus Mons setting
- Terra Cimmeria setting
- Where the Curiosity rover roves
- Site of the 13-mile-high volcano Olympus Mons
- Where Mark Watney was stranded in a 2015 film
- Grammy winner Bruno
- It's covered with iron oxide
- Site of at least five mountains taller than Everest
- Cassini Crater setting
- Its tallest mountain is Olympus Mons
- Site of the 16-mile-high Olympus Mons
- Snickers source
- I spy something red. "Is it ___ up in the night sky?" "No."
- Deimos and Phobos orbit it
- Jezero Crater locale
- Location of the tallest peak known to man
- Where to find the first parts of the asterisked answers
- It's orbited by Phobos and Deimos
- Where the Ingenuity helicopter flies
- Site of the 13-mile-high Olympus Mons
- Where the Ingenuity helicopter flew
