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SIObservatory

  1. @wildwohl Yes! We will be streaming #VenusTransit if our weather's good: ow.ly/1NclB4 Also @NASA: ow.ly/1Ncm1q about 20 hours ago via HootSuite
  2. The Moon is about to dip through Earth's shadow: @NASA ow.ly/bjXiO From DC, the Moon will barely darken before it sets at 5:40am. about 20 hours ago via HootSuite
  3. Be a scientist: help with @PlanetHunters! ow.ly/bfkZt Tuesday's lecture at @airandspace is about @NASAKepler ow.ly/bfl94 about 21 hours ago via HootSuite
  4. Venus is called Earth's sister because it's almost as large as Earth, with a similar orbit. about 23 hours ago via HootSuite
  5. Can't see any prominences in our live view? Clouds sometimes block the view - please be patient. 11:24 AM Jun 2nd via HootSuite
  6. We're showing prominences on the edge of the Sun: ustre.am/szif The disk of the Sun today in h-alpha (not live): ow.ly/bjRM3 11:23 AM Jun 2nd via web
  7. Online viewers, there will be a short interruption while we increase the exposure to show prominences. Please be patient for 2-3 minutes. 11:19 AM Jun 2nd via HootSuite
  8. MT @nasa: Wondering just what is a transit & why the #VenusTransit is interesting? Ask our #NASA experts on Tuesday go.nasa.gov/L9i9pC 11:12 AM Jun 2nd via HootSuite
  9. Online viewers, we're waiting for a large cloud to pass. 10:59 AM Jun 2nd via HootSuite
  10. Live view of sunspots and plages (bright clouds) on the Sun: ustre.am/szif At 2:20, we'll increase exposure to show prominences. 10:35 AM Jun 2nd via HootSuite
  11. We're open til 3pm, looking at a large sunspot cluster that just rotated into view. Will make a great background for Tuesday's transit! 9:55 AM Jun 2nd via HootSuite
  12. Venus's thick atmosphere is 96% carbon dioxide, a greenhouse gas roasting the planet. Do you know why it's called Earth's sister planet? 8:15 AM Jun 2nd via HootSuite
  13. On Tuesday, @astro_pettit will become the first person to observe a transit of Venus from space! ow.ly/bjJij 7:19 AM Jun 2nd via HootSuite
  14. Will you watch the transit of Venus on June 5? Look for an opportunity near you: ow.ly/bfkkY @SunEarthDay 12:45 PM Jun 1st via HootSuite
  15. RT @airandspace: Today in 2011: these images of the Sun were captured by our @SIObservatory: ow.ly/bhMxS ow.ly/bhMS0 10:40 AM Jun 1st via HootSuite
  16. MT @airandspace: Join us for Transit of Venus June 5! Telescopes trained on Venus 6-8pm, Lecture 8pm & more: ow.ly/bhwa0 2:13 PM May 31st via HootSuite
  17. Look up this evening: the gibbous Moon is near the gas giant planet Saturn. Above the two, look for amber-red Mars. 1:30 PM May 31st via HootSuite
  18. We're open until 3, looking at quiet sunspots on the face of the Sun. Max of solar activity is <1 year away, but it'll be a weak maximum. 10:00 AM May 31st via HootSuite
  19. Want to find out more about how @NASAKepler finds planets around other stars? Lecture @airandspace 6/5: ow.ly/bfhAe 6:50 AM May 31st via HootSuite
  • Name Public Observatory
  • Location Washington, DC
  • Web http://airandspac...
  • Bio Sharing safe telescopic views of the Sun and planets with visitors of the Smithsonian National Air and Space Museum.
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