Ramdayal Singh
@ramdayal.bsky.social
Planetary Scientist @ ISRO! From the Oldest City Varanasi !
Carpe diem ! The Sufficient Cause ! Gigglemug !
Carpe diem ! The Sufficient Cause ! Gigglemug !
Pinned
1 Nov 2025: I attended the National Science Meet on Venus Orbiter Mission (VOM).
Thank you and congratulations to ISRO for organizing such an inspiring event.
#VenusOrbiterMission
More at: www.isro.gov.in/ISRO_Organis...
Thank you and congratulations to ISRO for organizing such an inspiring event.
#VenusOrbiterMission
More at: www.isro.gov.in/ISRO_Organis...
8 Nov 2025: Today, on the 17th anniversary of Chandrayaan-1 entering lunar orbit, ISRO released new radar maps from the Chandrayaan-2 Mission.
More at: www.isro.gov.in/Lunar_Polar_...
More at: www.isro.gov.in/Lunar_Polar_...
November 8, 2025 at 3:44 PM
8 Nov 2025: Today, on the 17th anniversary of Chandrayaan-1 entering lunar orbit, ISRO released new radar maps from the Chandrayaan-2 Mission.
More at: www.isro.gov.in/Lunar_Polar_...
More at: www.isro.gov.in/Lunar_Polar_...
5 Nov 2025: Celebrate Mangalyaan’s 12th anniversary, launched on November 5, 2013, when India first orbited Mars by tuning in to the program “Space Technologies: Vision 2047”, which explores Mangalyaan’s legacy and future Mars missions:
youtu.be/cviKDKL2aSc
youtu.be/cviKDKL2aSc
Watch Live: Session IX - Space Technologies
YouTube video by DEPARTMENT OF SCIENCE & TECHNOLOGY GOVT. OF INDIA (DST)
youtu.be
November 5, 2025 at 5:21 PM
5 Nov 2025: Celebrate Mangalyaan’s 12th anniversary, launched on November 5, 2013, when India first orbited Mars by tuning in to the program “Space Technologies: Vision 2047”, which explores Mangalyaan’s legacy and future Mars missions:
youtu.be/cviKDKL2aSc
youtu.be/cviKDKL2aSc
1 Nov 2025: I attended the National Science Meet on Venus Orbiter Mission (VOM).
Thank you and congratulations to ISRO for organizing such an inspiring event.
#VenusOrbiterMission
More at: www.isro.gov.in/ISRO_Organis...
Thank you and congratulations to ISRO for organizing such an inspiring event.
#VenusOrbiterMission
More at: www.isro.gov.in/ISRO_Organis...
November 1, 2025 at 3:17 PM
1 Nov 2025: I attended the National Science Meet on Venus Orbiter Mission (VOM).
Thank you and congratulations to ISRO for organizing such an inspiring event.
#VenusOrbiterMission
More at: www.isro.gov.in/ISRO_Organis...
Thank you and congratulations to ISRO for organizing such an inspiring event.
#VenusOrbiterMission
More at: www.isro.gov.in/ISRO_Organis...
25 Sep 2025: Today we celebrate Prof. Satish Dhawan’s birthday, India’s pioneering space scientist. ISRO invites Indian researchers to propose projects using archived Venus Orbiter Mission data to study Venus’ atmosphere and surface. Submit by Nov 15, 2025.
More @: www.isro.gov.in/AO_utilizing...
More @: www.isro.gov.in/AO_utilizing...
September 25, 2025 at 2:35 PM
25 Sep 2025: Today we celebrate Prof. Satish Dhawan’s birthday, India’s pioneering space scientist. ISRO invites Indian researchers to propose projects using archived Venus Orbiter Mission data to study Venus’ atmosphere and surface. Submit by Nov 15, 2025.
More @: www.isro.gov.in/AO_utilizing...
More @: www.isro.gov.in/AO_utilizing...
24 Sep 2025: Calling all space enthusiast.
IN-SPACe presents the Orbital Mechanics Course 2025 – master the fundamentals of space trajectories.
More at: www.inspace.gov.in/inspace?id=c...
IN-SPACe presents the Orbital Mechanics Course 2025 – master the fundamentals of space trajectories.
More at: www.inspace.gov.in/inspace?id=c...
September 24, 2025 at 5:24 PM
24 Sep 2025: Calling all space enthusiast.
IN-SPACe presents the Orbital Mechanics Course 2025 – master the fundamentals of space trajectories.
More at: www.inspace.gov.in/inspace?id=c...
IN-SPACe presents the Orbital Mechanics Course 2025 – master the fundamentals of space trajectories.
More at: www.inspace.gov.in/inspace?id=c...
24 Sep 2025: 🚀 IN-SPACe invites private companies to launch satellites through its Announcement of Opportunity (AO).
More at: www.inspace.gov.in/inspace?id=a...
More at: www.inspace.gov.in/inspace?id=a...
September 24, 2025 at 5:23 PM
24 Sep 2025: 🚀 IN-SPACe invites private companies to launch satellites through its Announcement of Opportunity (AO).
More at: www.inspace.gov.in/inspace?id=a...
More at: www.inspace.gov.in/inspace?id=a...
24 September 2025: Happy to celebrate 11 years of India’s MOM in Martian orbit. Excited our 2016 work (Ref. 44) is cited this week in Thomas et al.’s 2025 Science Advances article.
More at : doi.org/10.1126/scia...
Thank you to the authors for recognizing our work.
More at : doi.org/10.1126/scia...
Thank you to the authors for recognizing our work.
September 24, 2025 at 4:58 PM
24 September 2025: Happy to celebrate 11 years of India’s MOM in Martian orbit. Excited our 2016 work (Ref. 44) is cited this week in Thomas et al.’s 2025 Science Advances article.
More at : doi.org/10.1126/scia...
Thank you to the authors for recognizing our work.
More at : doi.org/10.1126/scia...
Thank you to the authors for recognizing our work.
21 Sep 2025: 🚀 NASA's VIPER mission, the ice-hunting rover, is back.
🌕 Revived after 2024 cancellation, it’ll land on the Moon’s South Pole in late 2027 via Blue Origin’s Lander, following the Lander's first flight in early 2026. Thrilled for VIPER’s comeback and future lunar missions.
🌕 Revived after 2024 cancellation, it’ll land on the Moon’s South Pole in late 2027 via Blue Origin’s Lander, following the Lander's first flight in early 2026. Thrilled for VIPER’s comeback and future lunar missions.
September 21, 2025 at 7:10 AM
21 Sep 2025: 🚀 NASA's VIPER mission, the ice-hunting rover, is back.
🌕 Revived after 2024 cancellation, it’ll land on the Moon’s South Pole in late 2027 via Blue Origin’s Lander, following the Lander's first flight in early 2026. Thrilled for VIPER’s comeback and future lunar missions.
🌕 Revived after 2024 cancellation, it’ll land on the Moon’s South Pole in late 2027 via Blue Origin’s Lander, following the Lander's first flight in early 2026. Thrilled for VIPER’s comeback and future lunar missions.
19 Sep 2025: 🌙✨ Missed Venus, Moon & Regulus this morning?
📸 See them tomorrow, Sept 20, 5:00–5:30 AM IST. Look east-northeast for a thin Moon below Venus & Regulus. Clear skies needed.
#Venus
📸 See them tomorrow, Sept 20, 5:00–5:30 AM IST. Look east-northeast for a thin Moon below Venus & Regulus. Clear skies needed.
#Venus
September 19, 2025 at 5:32 PM
19 Sep 2025: 🌙✨ Missed Venus, Moon & Regulus this morning?
📸 See them tomorrow, Sept 20, 5:00–5:30 AM IST. Look east-northeast for a thin Moon below Venus & Regulus. Clear skies needed.
#Venus
📸 See them tomorrow, Sept 20, 5:00–5:30 AM IST. Look east-northeast for a thin Moon below Venus & Regulus. Clear skies needed.
#Venus
17 Sep 2025: Artemis II, launching early 2026, is NASA's first crewed lunar flyby, testing Orion with four astronauts on a 10-day mission.
Here's a link to send your name to the Moon on an SD card: www3.nasa.gov/send-your-na...
Here's a link to send your name to the Moon on an SD card: www3.nasa.gov/send-your-na...
September 17, 2025 at 4:41 PM
17 Sep 2025: Artemis II, launching early 2026, is NASA's first crewed lunar flyby, testing Orion with four astronauts on a 10-day mission.
Here's a link to send your name to the Moon on an SD card: www3.nasa.gov/send-your-na...
Here's a link to send your name to the Moon on an SD card: www3.nasa.gov/send-your-na...
4 Sep 2025: Big thanks to YouTube channel @VajiramandRaviOfficial for featuring our work.
More at: youtu.be/fQG6NF1LW4w?...
More at: youtu.be/fQG6NF1LW4w?...
September 4, 2025 at 2:44 PM
4 Sep 2025: Big thanks to YouTube channel @VajiramandRaviOfficial for featuring our work.
More at: youtu.be/fQG6NF1LW4w?...
More at: youtu.be/fQG6NF1LW4w?...
2 Sep 2025: Thank you, The Indian Express, for featuring our study as a Martian analog site, highlighting its role in Indian Planetary Missions.
More at: indianexpress.com/article/long...
More at: indianexpress.com/article/long...
September 2, 2025 at 12:20 PM
2 Sep 2025: Thank you, The Indian Express, for featuring our study as a Martian analog site, highlighting its role in Indian Planetary Missions.
More at: indianexpress.com/article/long...
More at: indianexpress.com/article/long...
1 Sep 2025: On Sep 1, 1974, Pioneer 11 began its close approach to Jupiter, capturing Jupiter's 1st polar images & mapping its massive magnetic field, 51 years ago.
September 1, 2025 at 2:39 PM
1 Sep 2025: On Sep 1, 1974, Pioneer 11 began its close approach to Jupiter, capturing Jupiter's 1st polar images & mapping its massive magnetic field, 51 years ago.
1 Sep 2025: ISRO's Chandrayaan-3 Data Utilisation Announcement of Opportunity (AO) is open. Researchers may submit proposals by Oct 21, 2025, to explore lunar data and uncover the Moon’s secrets.
More at: www.isro.gov.in/Ch3_Data_Uti...
#Chandrayaan3
More at: www.isro.gov.in/Ch3_Data_Uti...
#Chandrayaan3
September 1, 2025 at 2:37 PM
1 Sep 2025: ISRO's Chandrayaan-3 Data Utilisation Announcement of Opportunity (AO) is open. Researchers may submit proposals by Oct 21, 2025, to explore lunar data and uncover the Moon’s secrets.
More at: www.isro.gov.in/Ch3_Data_Uti...
#Chandrayaan3
More at: www.isro.gov.in/Ch3_Data_Uti...
#Chandrayaan3
28 Aug 2025: India's latest Geoheritage Sites include Belum Caves, Andhra Pradesh (GSI, June 14, 2025), and Kadan Dam, Gujarat (March 15, 2024). Matanomadh, Kachchh holds significant geological value, and we hope it joins India’s 34 recognized sites soon. (link.springer.com/article/10.1...)
August 28, 2025 at 4:10 PM
28 Aug 2025: India's latest Geoheritage Sites include Belum Caves, Andhra Pradesh (GSI, June 14, 2025), and Kadan Dam, Gujarat (March 15, 2024). Matanomadh, Kachchh holds significant geological value, and we hope it joins India’s 34 recognized sites soon. (link.springer.com/article/10.1...)
25 Aug 2025: 416 years ago, an Italian astronomer, physicist, and engineer, Galileo Galilei (1564 – 1642) demonstrated his first telescope to Venetian lawmakers on 25 August 1609.
August 25, 2025 at 1:14 PM
25 Aug 2025: 416 years ago, an Italian astronomer, physicist, and engineer, Galileo Galilei (1564 – 1642) demonstrated his first telescope to Venetian lawmakers on 25 August 1609.
23 Aug 2025: Today, Aug 23, 2025, we celebrate the epic soft landing of Chandrayaan3’s Vikram lander near the Moon’s south pole in 2023, exploring new frontiers and lunar mysteries. Happy National Space Day 🚀🌕
August 23, 2025 at 11:14 AM
23 Aug 2025: Today, Aug 23, 2025, we celebrate the epic soft landing of Chandrayaan3’s Vikram lander near the Moon’s south pole in 2023, exploring new frontiers and lunar mysteries. Happy National Space Day 🚀🌕
20 Aug 2025 : 50 years of Viking1 Mars Mission, launched Aug 20, 1975, as NASA's first Mars lander, it touched down in Chryse Planitia on July 20, 1976, capturing the first-ever photo of Mars’ rugged red surface.
August 20, 2025 at 3:02 PM
20 Aug 2025 : 50 years of Viking1 Mars Mission, launched Aug 20, 1975, as NASA's first Mars lander, it touched down in Chryse Planitia on July 20, 1976, capturing the first-ever photo of Mars’ rugged red surface.
12 Aug 2025: He who can listen to the music in the midst of noise can achieve great things". Remembering Dr. Vikram Sarabhai on his birth anniversary. Happy National Remote Sensing Day.
August 12, 2025 at 1:49 PM
12 Aug 2025: He who can listen to the music in the midst of noise can achieve great things". Remembering Dr. Vikram Sarabhai on his birth anniversary. Happy National Remote Sensing Day.
8 Aug 2025:
ISRO’s HOPE mission, inaugurated in Ladakh’s Tso Kar Valley, mimics Moon and Mars analog conditions to train astronauts.
Our new study on Gujarat’s Kachchh Matanomadh also explores analog sites.
pubs.geoscienceworld.org/geosocindia/...
Thank you, everyone.
ISRO’s HOPE mission, inaugurated in Ladakh’s Tso Kar Valley, mimics Moon and Mars analog conditions to train astronauts.
Our new study on Gujarat’s Kachchh Matanomadh also explores analog sites.
pubs.geoscienceworld.org/geosocindia/...
Thank you, everyone.
August 8, 2025 at 4:07 PM
8 Aug 2025:
ISRO’s HOPE mission, inaugurated in Ladakh’s Tso Kar Valley, mimics Moon and Mars analog conditions to train astronauts.
Our new study on Gujarat’s Kachchh Matanomadh also explores analog sites.
pubs.geoscienceworld.org/geosocindia/...
Thank you, everyone.
ISRO’s HOPE mission, inaugurated in Ladakh’s Tso Kar Valley, mimics Moon and Mars analog conditions to train astronauts.
Our new study on Gujarat’s Kachchh Matanomadh also explores analog sites.
pubs.geoscienceworld.org/geosocindia/...
Thank you, everyone.
31 July 2025: On this day in 1971: Falcon the Apollo15 lunar module landed on the Moon... and for the first time humans drove across another world.
July 31, 2025 at 3:46 PM
31 July 2025: On this day in 1971: Falcon the Apollo15 lunar module landed on the Moon... and for the first time humans drove across another world.
30 July 2025: India, in collaboration with the US, successfully launched NISAR (NASA-ISRO Synthetic Aperture Radar Satellite) from Sriharikota, Andhra Pradesh. The earth observation satellite was a $1.5 billion collaboration between ISRO and NASA.
July 30, 2025 at 3:45 PM
30 July 2025: India, in collaboration with the US, successfully launched NISAR (NASA-ISRO Synthetic Aperture Radar Satellite) from Sriharikota, Andhra Pradesh. The earth observation satellite was a $1.5 billion collaboration between ISRO and NASA.
27 July 2025: A nation with a strong base in Science and Technology is a nation with a strong backbone. - Dr. A. P. J. Abdul Kalam (15 Oct 1931-27 July 2015)
#Tribute
#Tribute
July 27, 2025 at 3:11 PM
27 July 2025: A nation with a strong base in Science and Technology is a nation with a strong backbone. - Dr. A. P. J. Abdul Kalam (15 Oct 1931-27 July 2015)
#Tribute
#Tribute
25 July 2025: July 25, 1973 – The Soviet Union launches Mars 5, part of its Mars exploration program. The probe studied Martian atmosphere and surface from orbit, paving the way for future planetary science missions in the Cold War race.
July 25, 2025 at 1:58 PM
25 July 2025: July 25, 1973 – The Soviet Union launches Mars 5, part of its Mars exploration program. The probe studied Martian atmosphere and surface from orbit, paving the way for future planetary science missions in the Cold War race.
24 July 2025: Professor Yash Pal (26 Nov 1926 - 24 July 2017), a distinguished Indian scientist, led cosmic ray research and hosted a show "Turning Point". As the first Director of ISRO’s Space Applications Centre, he is honored with the Yash Pal Auditorium at our centre.
#Tribute
#Tribute
July 24, 2025 at 4:25 PM
24 July 2025: Professor Yash Pal (26 Nov 1926 - 24 July 2017), a distinguished Indian scientist, led cosmic ray research and hosted a show "Turning Point". As the first Director of ISRO’s Space Applications Centre, he is honored with the Yash Pal Auditorium at our centre.
#Tribute
#Tribute