Friends of Arlington's David M. Brown Planetarium

Friends of Arlington's David M. Brown Planetarium The Friends of Arlington’s David M. Brown Planetarium is a 501(c)(3) non-profit organization, incorporated in May 2010, whose purpose is to continue to raise funds to make the Planetarium even better.
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04/18/2020
LUX ATACAMA | Total Solar Eclipse July 2nd, 2019

We talked recently with astronomer Tyler Nordgren about solar eclipses. Here is a link to a short video that shows what it was like to view the 2019 total solar eclipse in Chile.

This video is dedicated to Brian Bloss and who went from us way too soon. Enjoy these impressions of the total solar eclipse of July 2nd 2019, as seen from t...

A Star Orbiting a Black Hole Just Confirmed a Prediction Made by General Relativity
04/16/2020
A Star Orbiting a Black Hole Just Confirmed a Prediction Made by General Relativity

A Star Orbiting a Black Hole Just Confirmed a Prediction Made by General Relativity

A single star called S2 looping around the supermassive black hole in the centre of our galaxy just demonstrated a prediction of general relativity in the most extreme environment we can test it in - putting yet another feather in the theory's alread

Join the Friends of Arlington's Planetarium on Facebook Live at 4pm (Eastern Daylight Time) on Thursday, April 16, 2020....
04/15/2020

Join the Friends of Arlington's Planetarium on Facebook Live at 4pm (Eastern Daylight Time) on Thursday, April 16, 2020.
Astronomer Tyler Nordgren will present "Following the Sun: From Total Eclipses to the Aurora Borealis".

In addition to his work helping bring astronomy to visitors in national parks, Dr. Nordgren has been the professional astronomer for several solar eclipse and aurora tours on various continents. He is also the author of the book, "Sun Moon Earth: The History of Solar Eclipses From Omens of Doom to Einstein and Exoplanets".

The Friends of Arlington's Planetarium are excited to have Dr. Nordgren share some of his extensive eclipse and aurora knowledge with us!

That's 4pm, EDT, 4/16/2020, here on Facebook!

Astronomers Detect The Most Powerful Star Explosion We've Ever Observed
04/14/2020
Astronomers Detect The Most Powerful Star Explosion We've Ever Observed

Astronomers Detect The Most Powerful Star Explosion We've Ever Observed

Massive stars don't die quietly. Their deaths are spectacular explosions that can outshine entire galaxies - and now, astronomers have identified the most powerful of these exploding stars we've ever witnessed.

04/07/2020

And, of course, we're having some problems with the connection. We'll post a recording of the discussion soon.
Thanks for your patience while we work things out!

SuperMoon? Passover Moon? Easter Moon? A short Facebook Live talk Tuesday, 4/07/20 at 7:15pmJewish, Christian, and Musli...
04/06/2020

SuperMoon? Passover Moon? Easter Moon?
A short Facebook Live talk Tuesday, 4/07/20 at 7:15pm

Jewish, Christian, and Muslim faithful will observe major festivals this month. Passover and Easter are loosely tied to the Full Moon that will occur at 10:35 PM EDT on Tuesday; it also happens to be a SuperMoon. Passover begins on the 15th of Nissan, which corresponds to sunset on April 8th in the Gregorian calendar this year. Western Christians will celebrate Easter on April 12 while Orthodox Christians will wait until April 19. The sacred Islamic month of Ramadan will begin at sunset on April 23 in the Gregorian calendar. Because the Islamic calendar is a lunar calendar, the month of fasting drifts with respect to the seasons.

Join us here on Facebook Live at 7:15pm as astronomer Jennifer Bartlett gives a brief chat about the Moon and calendars since your SuperMoon viewing may well be canceled due to rain.

Have you ever wondered why some holidays aren't on the same day every year? Find out how astronomy has affected calendar...
04/06/2020

Have you ever wondered why some holidays aren't on the same day every year? Find out how astronomy has affected calendars, from ancient times through today!
Astronomer Jennifer Bartlett will talk to us about calendars and astronomy via Facebook Live on Tuesday, April 7, 2020

The Planet Venus is passing through the Pleiades on April 3, 2020. But if the sky is clear, you should go outside and ta...
04/03/2020
Don’t miss Venus and the Pleiades around April 3 | EarthSky.org

The Planet Venus is passing through the Pleiades on April 3, 2020. But if the sky is clear, you should go outside and take a look at Venus on the 2nd, 3rd, or 4th!

https://earthsky.org/tonight/venus-pleiades-couple-up-on-april-2-3-and-4

Watch for the close pairing of the brightest planet, Venus, with the little dipper-shaped Pleiades star cluster. Their conjunction is April 3, but any evening around then will be lovely!

The recording of the crater making experiment will be posted soon. Here are some links to more information and visuals a...
04/02/2020
Craters on the Earth and Moon [Activity] | Night Sky Network

The recording of the crater making experiment will be posted soon. Here are some links to more information and visuals about craters on Earth and elsewhere.

Simple version of today's exercise, with no measuring.
https://nightsky.jpl.nasa.gov/download-view.cfm?Doc_ID=465

More advanced version of the exercise, with calculations for older students
https://www.jpl.nasa.gov/edu/pdfs/impactcraters.pdf

Amateur Lunar Atlas
https://www.visit-the-moon.com/lunar-atlas

Consolidated Lunar Atlas (thumbnails)
https://www.lpi.usra.edu/resources/cla/maps/thumbs/

Craters on Mercury (APOD)
https://apod.nasa.gov/apod/mercury.html

Craters on Mercury (Britannica)
https://www.britannica.com/place/Mercury-planet/Impact-craters

Craters on Earth
http://solarviews.com/eng/tercrate.htm

Create craters on models of the Moon and Earth in this fun and messy outreach activity. Investigate the properties of Earth that hide past cratering events, such as movement of the crust, erosion, water, and a protective atmosphere.

04/02/2020

Sigh. Murphy's law seems to be chasing our live presentations. The live stream cut out during the demonstration, so we will post a recording for you soon.

For those of you who are interested in recreating today's experiment, here is the worksheet and a list of supplies.
04/02/2020

For those of you who are interested in recreating today's experiment, here is the worksheet and a list of supplies.

Our informal asteroid week continues! Join us on our page at 11:00am today (EDT) for a demonstration of a short...
04/02/2020

Our informal asteroid week continues! Join us on our page at 11:00am today (EDT) for a demonstration of a short, easy STEM activity for your quarantined elementary students! Astronomer Jennifer Bartlett will lead us in "Creating Craters in Comfort".

At 11:00am on Thursday, April 2nd, astronomer Jennifer Bartlett will show you how to "Create Craters in Comfort" In this...
03/31/2020

At 11:00am on Thursday, April 2nd, astronomer Jennifer Bartlett will show you how to "Create Craters in Comfort"

In this simple exercise, using common household materials, you can learn about craters and how asteroids form them. Look for the live stream on the Friends of Arlington's David M. Brown Planetarium page. (Hopefully the technology will be more cooperative this time!)
There will be opportunities for questions, and the entire activity should last no more than 30 minutes.

03/30/2020

A special thanks to Dr. Sethanne Howard and Dr. Alice Monet for sharing their knowledge about asteroids with us today - and for being very patient when the live stream didn't want to start. Did you miss the live stream because of the technical glitch? You can always watch the video recording on our page

03/30/2020
Asteroids!

A talk all about asteroids, especially those near the Earth.

03/30/2020

Our technology is being cranky. If we can't get it working in the next few minutes, we'll record and post it afterward.

03/30/2020

Some trouble with the live webcast. working on it now.

Tired of the same old "life in lockdown" activities? Looking for a little STEM adventure? Then we hope that you'll join ...
03/28/2020

Tired of the same old "life in lockdown" activities? Looking for a little STEM adventure?
Then we hope that you'll join us for a science talk -
"Asteroids Meet the Earth"
When: Monday, March 30, 2020 at 2:30pm EDT
Where: The Friends of Arlington's Planetarium page

This live streaming session, which will talk about near-earth as well as not-so-near asteroids, will last about an hour. Astronomers Dr. Sethanne Howard and Dr. Alice Monet will be our guides, and if the technology cooperates, they will even try to answer your asteroid related questions!

A very big thanks to both Dr. Tyler Nordgren and Dr. Alice Monet for talking with us live about the inspiration of the n...
03/26/2020

A very big thanks to both Dr. Tyler Nordgren and Dr. Alice Monet for talking with us live about the inspiration of the night sky and the National Parks.
If you enjoyed some of the images presented during the conversation, you can see more at Dr. Nordgren's website: www.spacearttravelbureau.com

Let us know if you are interested in seeing more live conversations!

If there is a problem with the live stream, we'll try to post a recording of the conversation afterward.(Photo by Tyler ...
03/26/2020

If there is a problem with the live stream, we'll try to post a recording of the conversation afterward.
(Photo by Tyler Nordgren)

03/26/2020

So, we are going to try to live stream a conversation with astronomers Tyler Nordgren and Alice Monet. The stream will be here on our page at 2pm. They will talk about "The Power of the Sky to Inspire Awe: the Aurora, Eclipses, and the Milky Way." You can probably expect a few glitches!

Need more activities to keep your budding scientists busy while they are studying at home? Don't forget that NASA has ma...
03/25/2020

Need more activities to keep your budding scientists busy while they are studying at home? Don't forget that NASA has many educational resources and activities available online!

https://spaceplace.nasa.gov/

Question to our followers: is there interest in having some live streamed talks with astronomers and other scientists po...
03/24/2020

Question to our followers: is there interest in having some live streamed talks with astronomers and other scientists posted here on the Friends of the Planetarium page?

Happy vernal equinox to everyone! Want to know more? Here's a link to an article about the equinox from our friends at E...
03/20/2020
March equinox: All you need to know | EarthSky.org

Happy vernal equinox to everyone! Want to know more? Here's a link to an article about the equinox from our friends at Earthsky.

The 2020 equinox comes March 20 at 03:50 UTC. It's an event that happens on our sky’s dome and a seasonal marker in Earth’s orbit around the sun!

We know that everyone is concerned about the current novel coronavirus situation, and that many of you now have students...
03/16/2020
6 simple astronomy experiments you can do at home

We know that everyone is concerned about the current novel coronavirus situation, and that many of you now have students staying at home. If you are looking for activities to keep your youngsters (and yourselves) occupied, try some simple, hands-on science!
(One of the activities in the link uses a roll of toilet paper, and we bet that a lot of folks have a big stock of that at the moment!)
https://www.skyatnightmagazine.com/advice/diy/6-simple-astronomy-experiments-do-at-home/

Try our experiments using household items and illustrate the mechanics of the Solar System.

Happy Pi day to everyone! (As well as Albert Einstein's birthday).
03/14/2020

Happy Pi day to everyone! (As well as Albert Einstein's birthday).

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1426 N Quincy St
Arlington, VA
22207

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Comments

Solar eclipse 2017 Orlando, FL
Solar Eclipse 2017 Orlando, Fl
This proposed designation would cover the Planetarium too.