Marty Scott

Marty Scott is the astronomy instructor at Walla Walla University, and also builds telescopes and works with computer simulations. He can be reached at marty.scott@wallawalla.edu.

Recent Stories

Sol by sol, rover makes way to Mars mountain

Curiosity still has the pedal to the metal on its journey to Mount Sharp, the layered mountain amid the crater where the Mars rover landed

Two more supermoons will brighten summer nights

If you missed the supermoon on July 12, you’ll get second and third chances to see one on Aug. 10 and Sept. 9.

Mars rover discovers curiosities on way to buttes

Mars rover Curiosity is making steady progress toward Murray Buttes, at the base of Mount Sharp. The science lab on wheels will cross the basaltic sand dune field at Murray Buttes and begin the final approach to the layered, clay-rich rocks of Mount Sharp.

Stars serve as Earth’s timekeeper

All objects in the sky appear to rise in the east and set in the west. The stars are not really moving; it is the rotation of the Earth from west to east that causes this apparent clockwise motion. The speed of this rotation is so constant that it can be used to keep time.

Rover probes Mars sandstone to examine wet process that created it

The rock at Kimberley, a science stop for the Mars rover Curiosity enroute to Mount Sharp, is sandstone. Sandstone is usually formed in a two-step process.

Tease photo

Clear summer nights offer stories in constellations

As summer approaches, the nights will be getting clearer and we will have better chances to view the stars. This is a good time to learn some of the stellar constellations.

Tease photo

Photos give scientists panoramic view on Mars

Curiosity is currently at Kimberly, a science stop on the way to Mount Sharp. In charting the route to Mount Sharp, mission planners saw this spot as the best science stop along the way.

Mimicking the sun, stars also rise and set

The distances between the Earth and the stars are so great that the positions of the stars, relative to each other, will not significantly change in your lifetime.

Mars rover reaches convergence of sandstone formations

The Mars rover Curiosity has been on its journey to Mount Sharp for several months, but for the past few weeks it has had the “pedal to the metal” to reach its next stop — a waypoint called Kimberley.

Total lunar eclipse coming up around tax day

The first total eclipse of the moon visible in North America since 2011 will occur April 14.

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