First heard about the 2017 solar eclipse one year earlier, on August 20, 2016

One Year to the 2017 Total Solar Eclipse @Astroguyz https://t.co/nABmGVU7hd pic.twitter.com/pHwCvxDjHK

— Fraser Cain (@fcain) August 20, 2016

Mark your calendars. A total solar eclipse will be visible from the United States on 8/21/17...first time in 37 yrs https://t.co/KKyvV16FSd

— Tom Horsman (@TomHorsman) August 21, 2016

.@TomHorsman Very cool. I saw this tweet by @fcain earlier about #SolarEclipse https://t.co/TkXT7uNT2R & did mark my calendar.

— Stuart O. Smith, Jr. (@sos_jr) August 21, 2016

WOOHOO! Watch WATCH!! The National #Eclipse is Coming! https://t.co/en1rnAvl2Q #backtoschool #SundayFunday pic.twitter.com/FxOGb1fSeA

— Jenna and Sciefus (@Science4UsSays) August 21, 2016

.@Science4UsSays @Astroguyz Thx for sharing @NationalEclipse website.#NationalEclipse #2017eclipse #eclipse2017 pic.twitter.com/jIOo0olbwy

— Stuart O. Smith, Jr. (@sos_jr) August 21, 2016

As of today, the #NationalEclipse is exactly one year away!

— National Eclipse (@NationalEclipse) August 21, 2016

Mark Twain combined time travel and a solar eclipse in "A Connecticut Yankee in King Arthur's Court" to create a unique plotline.

— National Eclipse (@NationalEclipse) August 20, 2016

.@Science4UsSays Oh I have marked my calendar! https://t.co/5nhuBuqsVA
Thx for info about @NationalEclipse!

cc: @Astroguyz @TomHorsman

— Stuart O. Smith, Jr. (@sos_jr) August 21, 2016

Visit https://t.co/oFjkZlh3Kv for information on the #NationalEclipse, a total solar eclipse coming to America on August 21, 2017!

— National Eclipse (@NationalEclipse) May 11, 2016

It's going to be brilliant! Mark your calendars!!!! https://t.co/NVWP9kIrau

— Jenna and Sciefus (@Science4UsSays) August 21, 2016

From Our Store: Commemorative "Heartland" Eclipse Glasses with Matching Poster https://t.co/nCThdY3vci pic.twitter.com/wRqhDcbh3f

— National Eclipse (@NationalEclipse) September 29, 2016

The U.S. Postal Service has issued a special Forever stamp to celebrate the #2017eclipse that uses body heat to change images. pic.twitter.com/MEgKv1RQXp

— National Eclipse (@NationalEclipse) July 14, 2017

Eclipse Tip: Request a vacation day for August 21 now, before everyone else in your workplace catches on.

— National Eclipse (@NationalEclipse) May 24, 2017

Help promote eclipse safety by retweeting this tweet. You MUST use special eclipse safety glasses to view the partial phases of an eclipse.

— National Eclipse (@NationalEclipse) July 18, 2017

Will August 21 be the most requested vacation day in U.S. history?

— National Eclipse (@NationalEclipse) June 21, 2017

Protect your peepers during #SolarEclipse2017 ! Stop by @GLScienceCtr Science Store for safety glasses and awesome #swag. #StayCuriousCLE pic.twitter.com/1t6hga3AlM

— Great Lakes Science (@GLScienceCtr) July 24, 2017

Debunked: The #NationalEclipse will be the first total solar eclipse in the U.S. since 1918. https://t.co/Nksa7s7td8

— National Eclipse (@NationalEclipse) July 29, 2017

Have you seen @washingtonpost's excellent #eclipse2017 virtual tour? Follow the eclipse's path & learn fun facts! https://t.co/ndYneNAhYz

— Sky & Telescope (@SkyandTelescope) August 1, 2017

While not a "total" eclipse in our region, it will be between 75 and 85% of total.

— NWS Cleveland (@NWSCLE) August 5, 2017

Q: How fast does the Moon's shadow move across the Earth during an eclipse? A: More than 1,000 mph, or faster than the speed of sound!

— National Eclipse (@NationalEclipse) August 7, 2017

Did you know? Experts advise that when using eclipse safety glasses you should only take short glances.

— National Eclipse (@NationalEclipse) August 4, 2017

Lunar eclipses occur two weeks before or after solar eclipses. Today, large parts of the world (not U.S.) will have a partial lunar eclipse.

— National Eclipse (@NationalEclipse) August 7, 2017

Eclipse Definition: Umbraphile - The name used to refer to people who travel around the world to observe total solar eclipses.

— National Eclipse (@NationalEclipse) August 8, 2017

Pretty awesome stamps @USPS
commemorating the #Eclipse2017
The stamps change with contact. USPS has done some cool #science stamps lately. pic.twitter.com/55iTNKeCSK

— M.J. Mouton (@MJ_Mouton) August 9, 2017

The solar eclipse if fast approaching, and when it gets here, the eclipse shadow will travel across the nation at over 1000 MPH! pic.twitter.com/E7TbmfHNBf

— NWS Cleveland (@NWSCLE) August 9, 2017

Protect your eyes during the eclipse! pic.twitter.com/RCd0VcsjEe

— NWS Cleveland (@NWSCLE) August 11, 2017

A1: 28 of our units are in the path of totality but other parks are planning events as well https://t.co/n1MHImszqz #ParkChat pic.twitter.com/PZlBoeMO6A

— NationalParkService (@NatlParkService) August 10, 2017

Follow this link to NASA's eclipse safety site for information on how to safely view the eclipse. https://t.co/aZI5YtD7B0

— NWS Cleveland (@NWSCLE) August 11, 2017

Fun #Eclipse2017 video with @ScienceDante! #StayCuriousCLE #Eclipse at @GLScienceCtr Aug 21 https://t.co/60Zs9cGmXf https://t.co/591uoZpfiA

— Stuart O. Smith, Jr. (@sos_jr) August 12, 2017

Aug 21st #SolarEclipse2017 at @goCMNH with @CMNHAstronomy. https://t.co/g6FOODXegQ pic.twitter.com/i3xlFshIdq

— Stuart O. Smith, Jr. (@sos_jr) August 12, 2017

#SolarEclipse2017 Aug 21st @GeaugaParks' #ObservatoryParkhttps://t.co/OJLbJM9Gvn

#SolarEclipse pic.twitter.com/mZskQ5FKXG

— Stuart O. Smith, Jr. (@sos_jr) August 12, 2017

#SolarEclipse2017 @CleveMetroparks "Total Eclipse of the Park"https://t.co/PyvG1kAO2A#Naturalist led #SolarEclipse & id of planets/#stars pic.twitter.com/ZVd8RkZ5KX

— Stuart O. Smith, Jr. (@sos_jr) August 12, 2017

What a fantastic video!!!

— Jumping Bean (@burpeesRfun) August 12, 2017

#Eclipse2017

"No, you don't need a solar filter on your #iPhone" via @jeffersongraham @USATODAY.https://t.co/Kd1FHFgqiK#Eclipse pic.twitter.com/AWmaQwgK1H

— Stuart O. Smith, Jr. (@sos_jr) August 12, 2017

Watching the solar eclipse August 21? Don't be fooled by bad "safe" glasses! Or come to Observatory Park & use ours! https://t.co/KV684Uf2KY

— Geauga Park District (@GeaugaParks) August 11, 2017

#Eclipse2017 join #park ranger on Aug 21 at @CVNPNPS' Ledges Shelter 1PMhttps://t.co/2WW4lPFgZY

cc: @forcvnp pic.twitter.com/OyXdjdDAVs

— Stuart O. Smith, Jr. (@sos_jr) August 12, 2017

The ancients who built Carhenge back in 1987 likely never expected to be within an eclipse's path of totality https://t.co/q5qo8Dh5L4

— NPR (@NPR) August 10, 2017

Do you know what to expect for the Aug. 21 solar eclipse? @ScienceDante breaks it down for you! #Eclipse2017 #StayCuriousCLE pic.twitter.com/GP5ZyK0npk

— Great Lakes Science (@GLScienceCtr) August 11, 2017

If you wait long enough, a total solar eclipse will probably be visible from where you live. pic.twitter.com/NmrhDf7TaJ

— National Eclipse (@NationalEclipse) August 13, 2017

Official @NASA "How to View the 2017 #SolarEclipse Safely" web page for #SolarEclipse2017: https://t.co/ZWP2lpzNLO@NationalEclipse pic.twitter.com/sGHGmrLIEe

— Stuart O. Smith, Jr. (@sos_jr) August 14, 2017

It’s Happening August 21: Edgewater Eclipse Watch https://t.co/8KcYW7CVtb pic.twitter.com/BLSxLv9gBi

— CAA Astronomy (@CuyAstro) August 3, 2017