mark.sheler

[Shaun Rickard @ShaunRickard67]

For those who continue to question the 'science'.

[Latest in space @latestinspace]

If I had to rate our solar system.
I’d give it one star.

[Dr. Eli David @DrEliDavid]

Covid is a deadly pandemic. It killed science, logic, evidence-based medicine, and common sense ⚰️

[mark.sheler @MarkSheler]

@ecarlsonshs @KDTrey5 @MrCarlsonSHS @NBA @Topps You are amazing young lady! And congrats to David!

[International Space Station @Space_Station]

Millions of people saw #Eclipse2017 but only six people saw the umbra, or the moon's shadow, over the United States from space today.

[mark.sheler @MarkSheler]

#mimodelingwaves is this sandstone refracting?

[mark.sheler @MarkSheler]

Saweeet!

[mark.sheler @MarkSheler]

Wicked wind, but a beautiful day for soccer. Let's go Lady Skins!

[mark.sheler @MarkSheler]

Happy Anniversary Darling
20 years of Fun in the Sun!😍 https://t.co/qHiNmTOiAO

[Bryan Battaglia @brybatt]

My students won't stop signing their boards. #uaisphysics

[mark.sheler @MarkSheler]

That's taking PRIDE in our Girls!! Way to go 😄

[mark.sheler @MarkSheler]

A Penumbral Lunar Eclipse starts @ 5:32. The moon darkens until 7:43. Venus and mars in the west. Can U figure out which is which?

[mark.sheler @MarkSheler]

I finally figured out how to measure the weight of a helium balloon!!

[cal @Jacobson_callie]

200 retweet and the anatomy class gets to use a 3x5 card on our exam. Help a sister out!!

[mark.sheler @MarkSheler]

A balanced breakfast!

[mark.sheler @MarkSheler]

Congratulations on First Robotics Build Sandusky 6093!! Woo hoo!
Thanks Kettering !

[Erin Carlson @ecarlsonshs]

Thank you @SanduskyNHS and @Here2MakeChange for making it possible 2 welcome back students w/1000s of positive notes

[mark.sheler @MarkSheler]

When you're car is 20 years older than your phone!
I couldn't find the 8-track adapter :(

[mark.sheler @MarkSheler]

For the next three days at sunset;
The moon is in its first crescent phase. Venus is left of moon and mercury is just under it. Neato!

[mark.sheler @MarkSheler]

@5pm get outside and prepare for one of this centuries brightest super-moons! The magic will unfold as the sun sets in the east!