Bob Riddle
@currentsky.bsky.social
Semi-Retired Teacher (Earth Science/Planetarium Director-43 yrs.). Column Editor Scope on the Skies, Science Scope Magazine (National Science Teaching Association). NASA Volunteer Educator Since 1985: Cassini Fellow; ISTP;SSEP;SSA. Day or night photography
Be sure to thank a Veteran. We did it for you.
November 11, 2025 at 1:32 PM
Be sure to thank a Veteran. We did it for you.
Something to share. Like the saying goes, "It's our home, our only home."
NASA’s Juno spacecraft during its Earth flyby to capture this Oct. 9. 2013
Key details:
• Distance: Approximately 4,000 km from Earth.
• Region visible: South America and Antarctica.
• Source: NASA’s Juno mission.
NASA’s Juno spacecraft during its Earth flyby to capture this Oct. 9. 2013
Key details:
• Distance: Approximately 4,000 km from Earth.
• Region visible: South America and Antarctica.
• Source: NASA’s Juno mission.
November 9, 2025 at 4:19 PM
Something to share. Like the saying goes, "It's our home, our only home."
NASA’s Juno spacecraft during its Earth flyby to capture this Oct. 9. 2013
Key details:
• Distance: Approximately 4,000 km from Earth.
• Region visible: South America and Antarctica.
• Source: NASA’s Juno mission.
NASA’s Juno spacecraft during its Earth flyby to capture this Oct. 9. 2013
Key details:
• Distance: Approximately 4,000 km from Earth.
• Region visible: South America and Antarctica.
• Source: NASA’s Juno mission.
A late night get together! Should be fun, the Twins are here!!
November 8, 2025 at 9:15 PM
A late night get together! Should be fun, the Twins are here!!
Been hospitalized for the last 3 weeks
However the universe didn't take a break.
If you have a clear look toward the west this evening or tomorrow right around sunset you may able to see Mercury and Mars in a fairly close conjunction.
However the universe didn't take a break.
If you have a clear look toward the west this evening or tomorrow right around sunset you may able to see Mercury and Mars in a fairly close conjunction.
November 7, 2025 at 4:40 PM
Been hospitalized for the last 3 weeks
However the universe didn't take a break.
If you have a clear look toward the west this evening or tomorrow right around sunset you may able to see Mercury and Mars in a fairly close conjunction.
However the universe didn't take a break.
If you have a clear look toward the west this evening or tomorrow right around sunset you may able to see Mercury and Mars in a fairly close conjunction.
The crew says go Chiefs, and let's get Bob discharged from the hospital so he can come and see us, Sue, and watch the Chiefs win.
October 19, 2025 at 2:56 PM
The crew says go Chiefs, and let's get Bob discharged from the hospital so he can come and see us, Sue, and watch the Chiefs win.
Here's a short video showing the path of Comet C/2025 A6 (Lemmon) from October 15-23. Set at 1-day intervals at 8pm CDT.
October 15, 2025 at 1:21 PM
Here's a short video showing the path of Comet C/2025 A6 (Lemmon) from October 15-23. Set at 1-day intervals at 8pm CDT.
Messier 8, Messier 20, and Messier 21 are all located in the constellation Sagittarius.
M8, aka the Lagoon Nebula, is an emission nebula.
M20, aka The Trifid Nebula, is three different types of nebulae: emission, reflection, and dark nebula.
M21, aka NGC 6531, is an open star cluster.
M8, aka the Lagoon Nebula, is an emission nebula.
M20, aka The Trifid Nebula, is three different types of nebulae: emission, reflection, and dark nebula.
M21, aka NGC 6531, is an open star cluster.
October 12, 2025 at 1:33 PM
Messier 8, Messier 20, and Messier 21 are all located in the constellation Sagittarius.
M8, aka the Lagoon Nebula, is an emission nebula.
M20, aka The Trifid Nebula, is three different types of nebulae: emission, reflection, and dark nebula.
M21, aka NGC 6531, is an open star cluster.
M8, aka the Lagoon Nebula, is an emission nebula.
M20, aka The Trifid Nebula, is three different types of nebulae: emission, reflection, and dark nebula.
M21, aka NGC 6531, is an open star cluster.
It's Earth Science Week and the Crew says, "Love your Mother!"
Here's an interesting article about 'Mother Earth'.
"What a Wonderful World! 75 Absolutely Fascinating Facts About Planet Earth"
bit.ly/4n4s9mV
Here's an interesting article about 'Mother Earth'.
"What a Wonderful World! 75 Absolutely Fascinating Facts About Planet Earth"
bit.ly/4n4s9mV
October 12, 2025 at 12:30 PM
It's Earth Science Week and the Crew says, "Love your Mother!"
Here's an interesting article about 'Mother Earth'.
"What a Wonderful World! 75 Absolutely Fascinating Facts About Planet Earth"
bit.ly/4n4s9mV
Here's an interesting article about 'Mother Earth'.
"What a Wonderful World! 75 Absolutely Fascinating Facts About Planet Earth"
bit.ly/4n4s9mV
Here’s my latest essay - about comets and information about C/2025 A^ (Lemmon) and its appearance in the evening skies now.
starwalk.substack.com/p/chasing-ba...
starwalk.substack.com/p/chasing-ba...
October 9, 2025 at 5:54 PM
Here’s my latest essay - about comets and information about C/2025 A^ (Lemmon) and its appearance in the evening skies now.
starwalk.substack.com/p/chasing-ba...
starwalk.substack.com/p/chasing-ba...
The October issue of Qué tal in the Current Skies is now available online at https:currentsky.com.
Several conjunctions, the Orionid Meteor Shower, and the brightening of Comet C2025 A6 (Lemmon)are on the docket for this month.
Several conjunctions, the Orionid Meteor Shower, and the brightening of Comet C2025 A6 (Lemmon)are on the docket for this month.
September 30, 2025 at 11:39 PM
The October issue of Qué tal in the Current Skies is now available online at https:currentsky.com.
Several conjunctions, the Orionid Meteor Shower, and the brightening of Comet C2025 A6 (Lemmon)are on the docket for this month.
Several conjunctions, the Orionid Meteor Shower, and the brightening of Comet C2025 A6 (Lemmon)are on the docket for this month.
Say good morning to Comet C/2025 A6 (Lemmon). Currently located in the constellation of Lynx in the morning skies.
Closest approach to Earth will be on October 21, 2025.
This is a composite picture of two 10-minute exposures of the comet taken about 1 hour apart this morning.
Closest approach to Earth will be on October 21, 2025.
This is a composite picture of two 10-minute exposures of the comet taken about 1 hour apart this morning.
September 28, 2025 at 1:27 PM
Say good morning to Comet C/2025 A6 (Lemmon). Currently located in the constellation of Lynx in the morning skies.
Closest approach to Earth will be on October 21, 2025.
This is a composite picture of two 10-minute exposures of the comet taken about 1 hour apart this morning.
Closest approach to Earth will be on October 21, 2025.
This is a composite picture of two 10-minute exposures of the comet taken about 1 hour apart this morning.
Sometimes getting up early has its benefits. This is one of mine!
September 19, 2025 at 11:29 AM
Sometimes getting up early has its benefits. This is one of mine!
Friday morning, the 19th, look for the thin waning crescent Moon to be near Venus and the star Regulus, the heart of the Lion.
This will be a great binocular viewing opportunity.
This will be a great binocular viewing opportunity.
September 18, 2025 at 4:44 PM
Friday morning, the 19th, look for the thin waning crescent Moon to be near Venus and the star Regulus, the heart of the Lion.
This will be a great binocular viewing opportunity.
This will be a great binocular viewing opportunity.
The morning sky tomorrow.
September 15, 2025 at 11:37 PM
The morning sky tomorrow.
September 14, 2025 at 12:23 PM
The Crew has their Boarding Pass from the Artemis Mission
September 13, 2025 at 4:03 PM
The Crew has their Boarding Pass from the Artemis Mission
The Lagoon Nebula, aka M8, is a cloud of gas and dust in the constellation Sagittarius the Archer about 4000-5000 light years distant. Within M-8 is NGC6530 an open star cluster where new stars are forming, and ionizing the surrounding gas, causing it to glow into the colors we see.
September 7, 2025 at 12:48 PM
The Lagoon Nebula, aka M8, is a cloud of gas and dust in the constellation Sagittarius the Archer about 4000-5000 light years distant. Within M-8 is NGC6530 an open star cluster where new stars are forming, and ionizing the surrounding gas, causing it to glow into the colors we see.
The Crew asked about the sky in São Paulo this evening.
You can see Scorpius and Sagittarius high above their southern horizon where here in KC it is just above the horizon. see if you can find the Southern Cross.
You can see Scorpius and Sagittarius high above their southern horizon where here in KC it is just above the horizon. see if you can find the Southern Cross.
September 5, 2025 at 2:02 PM
The Crew asked about the sky in São Paulo this evening.
You can see Scorpius and Sagittarius high above their southern horizon where here in KC it is just above the horizon. see if you can find the Southern Cross.
You can see Scorpius and Sagittarius high above their southern horizon where here in KC it is just above the horizon. see if you can find the Southern Cross.
The sky this evening, and the sky tomorrow morning
When you observe the Milky Way from mid-northern latitudes, you see it as a band of light across the sky stretching overhead from north to south.
In the evening, looking south, is the rotational center of the Milky Way.
When you observe the Milky Way from mid-northern latitudes, you see it as a band of light across the sky stretching overhead from north to south.
In the evening, looking south, is the rotational center of the Milky Way.
September 4, 2025 at 12:41 PM
The sky this evening, and the sky tomorrow morning
When you observe the Milky Way from mid-northern latitudes, you see it as a band of light across the sky stretching overhead from north to south.
In the evening, looking south, is the rotational center of the Milky Way.
When you observe the Milky Way from mid-northern latitudes, you see it as a band of light across the sky stretching overhead from north to south.
In the evening, looking south, is the rotational center of the Milky Way.
The September 2025 issue of Qué tal in the Current Skies is online and available at currentsky.com.
August 28, 2025 at 1:10 PM
The September 2025 issue of Qué tal in the Current Skies is online and available at currentsky.com.
It's National Aviation Day!
nationaltoday.com/national-avi...
nationaltoday.com/national-avi...
August 19, 2025 at 11:46 AM
It's National Aviation Day!
nationaltoday.com/national-avi...
nationaltoday.com/national-avi...
Monday morning August 18 at around 5:30 am CDT.
August 17, 2025 at 7:43 PM
Monday morning August 18 at around 5:30 am CDT.
Celebrate today, Heidi, in your favorite box!
The 'guys' will leave you alone today - at least for a while.
nationaltoday.com/black-cat-ap...
The 'guys' will leave you alone today - at least for a while.
nationaltoday.com/black-cat-ap...
August 17, 2025 at 2:43 PM
Celebrate today, Heidi, in your favorite box!
The 'guys' will leave you alone today - at least for a while.
nationaltoday.com/black-cat-ap...
The 'guys' will leave you alone today - at least for a while.
nationaltoday.com/black-cat-ap...
A beautiful evening with clear skies. There are three reddish celestial objects in the sky and on this map. One is Mars. Can you find the other two?
August 14, 2025 at 1:30 AM
A beautiful evening with clear skies. There are three reddish celestial objects in the sky and on this map. One is Mars. Can you find the other two?
It's International Cats Day! A Purrfect Day!!
icatcare.org/news/interna...
icatcare.org/news/interna...
August 8, 2025 at 4:29 PM
It's International Cats Day! A Purrfect Day!!
icatcare.org/news/interna...
icatcare.org/news/interna...