The United States is in the middle of one of her most historic events in decades, and it's not about politics.

The U.S. is experiencing a total solar eclipse that spans the entire Lower 48 today for the first time in nearly 80 years. Celebrities and politicians are taking to Twitter (TWTR) to share excitement and rejoice in something that unifies the U.S. in a tumultuous geopolitical climate.

Famed astrophysicist Neil deGrasse Tyson highlighted unity:

The divided United States of America will unite today, sharing a cosmic event predicted by the methods and tools of science.

— Neil deGrasse Tyson (@neiltyson) August 21, 2017

While Bruce Springsteen used safety tips as a thinly veiled self-promotion:

Remember to wear proper glasses today when viewing the #SolarEclipse. You don't want to get...

— Bruce Springsteen (@springsteen) August 21, 2017

David Spade and Paris Hilton took on the eclipse-glasses-mania as well:

Is it still ok to stare at the moon? Let me know if anything is changed on that front

— David Spade (@DavidSpade) August 21, 2017

Me trying to peek at the solar eclipse without "special" glasses��

— Paris Hilton (@ParisHilton) August 21, 2017

And actor Joseph Gordon-Levitt reminds us to look down, too:

Trees making pinholes. Sun shining through casts shadow crescents. (Basically how a camera works) #SolarEclipse2017

— Joseph Gordon-Levitt (@hitRECordJoe) August 21, 2017

McDonald's Corp (MCD) also had some eclipse-themed advertising today:

Day or night, our path to totality is never overshadowed. #SolarEclipse2017

— McDonald's (@McDonaldsCorp) August 21, 2017

And of course, Bonnie Tyler's smash hit "Total Eclipse of the Heart" is having a big day 34 years after it was first released:

The #1 song on iTunes right? 'Total Eclipse of the Heart,' of course!#SolarEclipse2017 #Eclipse

— Good Morning America (@GMA) August 21, 2017

Senators John McCain and Diane Feinstein offered tips to constituents:

Watching the #SolarEclipse17 in #Arizona? Here's everything you need to know

— John McCain (@SenJohnMcCain) August 21, 2017

#SolarEclipse2017 will happen early today here in California. Find the best viewing time for where you live:

— Sen Dianne Feinstein (@SenFeinstein) August 21, 2017

And first daughter Ivanka Trump shed some light:

Wondering how it works? In a solar #eclipse, the moon passes between the  Sun & Earth & blocks all or part of the sun for up to about 3 hrs.

— Ivanka Trump (@IvankaTrump) August 20, 2017

But it seems not all politics could be left out of the unifying cosmic event, as Twitter users trolled Ivanka after she tweeted the basic infographic:

That's longer than most White House employees last.

— Brook Lundy (@brooklundy1) August 20, 2017

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