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Bob KingArticles: 410 results from the past year. For older articles, see advanced options.
Astro Bob blog: Full Flower Moon ready to bloom plus see an "invisible" eclipse
Tonight's waxing gibbous moon will pass south of Saturn on its way to Friday's Full Flower Moon. Consider it a prelude to an upcoming stellar cover-up and a curious lunar eclipse.
Wednesday, May, 22, 2013 - Duluth News Tribune - News
Tonight's waxing gibbous moon will pass south of Saturn on its way to Friday's Full Flower Moon. Consider it a prelude to an upcoming stellar cover-up and a curious lunar eclipse.
Wednesday, May, 22, 2013 - Duluth News Tribune - News
Astro Bob blog: Are there waves on Titan's Lygeia Sea?
Cassini will soon make its next flyby of Saturn's largest moon Titan to look for waves on the surface of Ligeia Sea, a large sea of bitterly-cold liquid ethane in the moon's north polar region.
Monday, May, 20, 2013 - Duluth News Tribune - News
Cassini will soon make its next flyby of Saturn's largest moon Titan to look for waves on the surface of Ligeia Sea, a large sea of bitterly-cold liquid ethane in the moon's north polar region.
Monday, May, 20, 2013 - Duluth News Tribune - News
Astro Bob blog: Don't let Comets PANSTARRS and Lemmon out of your sight ... yet
What the heck have comets L4 PANSTARRS and Lemmon been up to anyway? Well, they're still visible in 50mm binoculars and small telescopes. Find out how to stay on their tails, er, trails.
Sunday, May, 19, 2013 - Duluth News Tribune - News
What the heck have comets L4 PANSTARRS and Lemmon been up to anyway? Well, they're still visible in 50mm binoculars and small telescopes. Find out how to stay on their tails, er, trails.
Sunday, May, 19, 2013 - Duluth News Tribune - News
Astro Bob blog: Watch as Venus, Jupiter and Mercury align after sunset
Hey, hey, hey. Three planets are now lining up in a neat row at dusk. Watch for the trio starting 30-35 minutes after sunset when they'll be low in the northwestern sky. Tonight's will be a prelude to next week's closer encounters.
Sunday, May, 19, 2013 - Duluth News Tribune - News
Hey, hey, hey. Three planets are now lining up in a neat row at dusk. Watch for the trio starting 30-35 minutes after sunset when they'll be low in the northwestern sky. Tonight's will be a prelude to next week's closer encounters.
Sunday, May, 19, 2013 - Duluth News Tribune - News
Astro Bob blog: 1998 QE2 asteroid flyby an opportunity for pros and amateurs alike
An asteroid it would take an hour to walk across will speed past Earth on May 31 and provide radio astronomers a perfect opportunity to nab closeup views of its surface. Skywatchers with small telescopes will see it too.
Saturday, May, 18, 2013 - Duluth News Tribune - News
An asteroid it would take an hour to walk across will speed past Earth on May 31 and provide radio astronomers a perfect opportunity to nab closeup views of its surface. Skywatchers with small telescopes will see it too.
Saturday, May, 18, 2013 - Duluth News Tribune - News
Astro Bob blog: Aurora alert tonight May 17-18, 2013
If it were clear here in Duluth, I'm sure we'd be seeing northern lights. The Kp index, an indicator of magnetic activity around the Earth, shot up to "5" or minor storm level around 11 p.m. Central time Friday night- Sat. morning.
Saturday, May, 18, 2013 - Duluth News Tribune - News
If it were clear here in Duluth, I'm sure we'd be seeing northern lights. The Kp index, an indicator of magnetic activity around the Earth, shot up to "5" or minor storm level around 11 p.m. Central time Friday night- Sat. morning.
Saturday, May, 18, 2013 - Duluth News Tribune - News
Astro Bob blog: Space station spices up short May nights
The early bird is back! The International Space Station is once again making passes during morning twilight, putting in regular appearances for U.S. skywatchers. And I do mean early.
Friday, May, 17, 2013 - Duluth News Tribune - News
The early bird is back! The International Space Station is once again making passes during morning twilight, putting in regular appearances for U.S. skywatchers. And I do mean early.
Friday, May, 17, 2013 - Duluth News Tribune - News
Astro Bob blog: Meteoroid hits moon, goes boom!
Anyone looking at the moon at the right time on St. Patrick's Day with a small telescope would have seen it - a pinpoint flash of light as a 1-foot rock slammed into the charcoal-black lunar soil.
Friday, May, 17, 2013 - Duluth News Tribune - News
Anyone looking at the moon at the right time on St. Patrick's Day with a small telescope would have seen it - a pinpoint flash of light as a 1-foot rock slammed into the charcoal-black lunar soil.
Friday, May, 17, 2013 - Duluth News Tribune - News
Astro Bob blog: Lizard Lemmon Comet loses tail, grows a new one
Solar winds snapped off Comet Lemmon's ponytail this week and sent it reeling into space. Not to worry. Comets possess the remarkable ability, shared by many species of lizards, to grow new ones.
Thursday, May, 16, 2013 - Duluth News Tribune - News
Solar winds snapped off Comet Lemmon's ponytail this week and sent it reeling into space. Not to worry. Comets possess the remarkable ability, shared by many species of lizards, to grow new ones.
Thursday, May, 16, 2013 - Duluth News Tribune - News
Astro Bob blog: A 3rd X-class flare rocks the sun
Two of the year's most powerful flares fired off from the sun's backside Sunday and at least 8 spot groups speckle the sun's white-hot surface. Now comes a 3rd big flare.
Tuesday, May, 14, 2013 - Duluth News Tribune - News
Two of the year's most powerful flares fired off from the sun's backside Sunday and at least 8 spot groups speckle the sun's white-hot surface. Now comes a 3rd big flare.
Tuesday, May, 14, 2013 - Duluth News Tribune - News
Astro Bob blog: You'll love this video of Lake Superior northern lights
Shawn Malone of Marquette, Mich. has created a masterpiece of video. Malone recently finished a year-long project shooting more than 10,000 pictures of the aurora borealis from 33 separate locations on many cold nights. Enjoy!
Monday, May, 13, 2013 - Duluth News Tribune - News
Shawn Malone of Marquette, Mich. has created a masterpiece of video. Malone recently finished a year-long project shooting more than 10,000 pictures of the aurora borealis from 33 separate locations on many cold nights. Enjoy!
Monday, May, 13, 2013 - Duluth News Tribune - News
Astro Bob blog: Earth's ghostly light touches the crescent moon tonight
Wow, the moon sure looked lovely last night. At dusk it was a sharp crescent against the blue sky, but later the entire disk was visible thanks to the the Full Earth. See the painterly ways of Earth again tonight.
Sunday, May, 12, 2013 - Duluth News Tribune - News
Wow, the moon sure looked lovely last night. At dusk it was a sharp crescent against the blue sky, but later the entire disk was visible thanks to the the Full Earth. See the painterly ways of Earth again tonight.
Sunday, May, 12, 2013 - Duluth News Tribune - News
Astro Bob blog: Curiosity rover sets sights on bumpy Cumberland rock
Cumberland's the next rock in line for the Mars rover's drill - will it have the right ingredients to make a microbe happy?
Saturday, May, 11, 2013 - Duluth News Tribune - News
Cumberland's the next rock in line for the Mars rover's drill - will it have the right ingredients to make a microbe happy?
Saturday, May, 11, 2013 - Duluth News Tribune - News
Astro Bob blog: Venus returns to the evening sky in grand style tonight
Guess who's finally come out of hiding? Yep, it's Venus, a planet we've seen neither hide nor hair of for months. And check out her chaperone - one of thinnest crescents moon you might ever see.
Friday, May, 10, 2013 - Duluth News Tribune - News
Guess who's finally come out of hiding? Yep, it's Venus, a planet we've seen neither hide nor hair of for months. And check out her chaperone - one of thinnest crescents moon you might ever see.
Friday, May, 10, 2013 - Duluth News Tribune - News
Astro Bob blog: See today's ring-of-fire eclipse on the Web
The New Moon will pass squarely in front of the sun later today treating South Pacific residents to an annular solar eclipse. The rest of us can happily watch it from the comfort of our homes.
Thursday, May, 09, 2013 - Duluth News Tribune - News
The New Moon will pass squarely in front of the sun later today treating South Pacific residents to an annular solar eclipse. The rest of us can happily watch it from the comfort of our homes.
Thursday, May, 09, 2013 - Duluth News Tribune - News
Astro Bob blog: Curious about asteroids? Tune in to tonight's live stream by expert Lance Benner
Ever wonder how scientists get such detailed radar images of asteroids that only look like points of light in optical telescopes? You'll find out tonight. We also look at ways to deflect potentially nasty asteroids.
Thursday, May, 09, 2013 - Duluth News Tribune - News
Ever wonder how scientists get such detailed radar images of asteroids that only look like points of light in optical telescopes? You'll find out tonight. We also look at ways to deflect potentially nasty asteroids.
Thursday, May, 09, 2013 - Duluth News Tribune - News
Astro Bob blog: Wise up with a visit to the Methuselah Star
The sun's been around for nearly 5 billion years with another 5 billion to go before it balloons into a red giant and toasts the Earth like a marshmallow held too close to the fire. Meet a star that makes ours seem positively young.
Wednesday, May, 08, 2013 - Duluth News Tribune - News
The sun's been around for nearly 5 billion years with another 5 billion to go before it balloons into a red giant and toasts the Earth like a marshmallow held too close to the fire. Meet a star that makes ours seem positively young.
Wednesday, May, 08, 2013 - Duluth News Tribune - News
Astro Bob blog: Morning aurora topped off by avian cheer
I got up for the stars but stayed for the birds. Clear skies overnight allowed for a look at a surprise aurora display, comets PANSTARRS and Lemmon and a handful of spectacular Eta Aquarid meteors.
Monday, May, 06, 2013 - Duluth News Tribune - News
I got up for the stars but stayed for the birds. Clear skies overnight allowed for a look at a surprise aurora display, comets PANSTARRS and Lemmon and a handful of spectacular Eta Aquarid meteors.
Monday, May, 06, 2013 - Duluth News Tribune - News
Astro Bob blog: Comet PANSTARRS for die-hards
Some of you have asked about a new map for locating famed Comet L4 PANSTARRS as it treks through Cepheus headed for the North Star. Well, here ya' go.
Sunday, May, 05, 2013 - Duluth News Tribune - News
Some of you have asked about a new map for locating famed Comet L4 PANSTARRS as it treks through Cepheus headed for the North Star. Well, here ya' go.
Sunday, May, 05, 2013 - Duluth News Tribune - News
Astro Bob blog: Listen to the Chelyabinsk fireball's infrasound tsunami
You've probably seen and heard at least one video of February's fireball explosion over Cheylabinsk, Russia. Now hear again with a different ear.
Sunday, May, 05, 2013 - Duluth News Tribune - News
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You've probably seen and heard at least one video of February's fireball explosion over Cheylabinsk, Russia. Now hear again with a different ear.
Sunday, May, 05, 2013 - Duluth News Tribune - News
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