The mystery behind the high abundance of Lithium in some evolved stars traced

What is the News? Scientists have found out the reason behind the high abundance of Lithium in some evolved stars. Note: Lithium is found in trace amounts on Earth. It is also a key component of rechargeable batteries. What did the Astronomers know so far about Lithium in Stars? Astronomers have known that a class… Continue reading The mystery behind the high abundance of Lithium in some evolved stars traced

Was it really a black hole that the EHT imaged in 2019?

What is the News? A paper published in The European Physical Journal C has said that M87* (a compact object that was imaged by the Event Horizon Telescope) is not necessarily a black hole but could even be a “naked singularity with a gravitomagnetic monopole”. About the research In 2019, astronomers of the Event Horizon… Continue reading Was it really a black hole that the EHT imaged in 2019?

Indian astronomers develop methodology to understand the Exoplanets accurately

What is the News? Indian astronomers have developed a methodology named “critical noise treatment algorithm”. This algorithm can help understand exoplanets accurately by reducing the contamination by the Earth’s atmosphere and the disturbances due to instrumental effects and other factors. What are Exoplanets? Exoplanets are planets that orbit a star other than the Sun. The… Continue reading Indian astronomers develop methodology to understand the Exoplanets accurately

Explained: How NASA’s DART mission will hit and deflect an asteroid

What is the News? NASA will launch its first planetary defense test mission, named the Double Asteroid Redirection Test (DART). The mission will be launched on a SpaceX Falcon 9 rocket. What is the DART Mission? DART is the first technology demonstration of the kinetic impactor technique. If successful, this technique could be used to… Continue reading Explained: How NASA’s DART mission will hit and deflect an asteroid

Explained: What is Leonids Meteor Shower?

What is the news? The annual Leonids Meteor Shower has begun and will be active between 6th and 30th November, with peak activity expected on 17th November. What is the Leonids Meteor Shower? Leonids Meteor Shower was originally discovered in 1833. It contains debris that originated from a small comet called 55P/Tempel-Tuttle in the constellation… Continue reading Explained: What is Leonids Meteor Shower?

The final frontier of space technology

Synopsis:  Emerging tech is helping leverage space for various terrestrial uses. Introduction Technological innovations are now driving space activities and research. The space industry is using technologies like 5G, advanced satellite systems, 3D printing, big data, and quantum technology in its activities according to a report by Analytics Insight. It is also helping scientists, researchers… Continue reading The final frontier of space technology

Indian Space Association (ISpA) – Explained, pointwise

For 7PM Editorial Archives click HERE → Introduction Indian Space Association was recently launched by the Prime Minister of India. The industry association will act as an independent and “single-window” agency for enabling the opening up of the space sector to start-ups and the private sector. The tagline of the association is “Bhumandal Se Brahmaand Tak”, meaning from… Continue reading Indian Space Association (ISpA) – Explained, pointwise

Explained: Why launch of Indian Space Association is significant

Synopsis: Indian Space Association has been launched by the Prime Minister of India. The industry association will act as an independent and “single-window” agency for enabling the opening up of the space sector to start-ups and the private sector. What is ISpA? ISpA is the Premier Industry Association of Space and Satellite companies, which aspires… Continue reading Explained: Why launch of Indian Space Association is significant

Explained: How Jupiter Trojan asteroids will help NASA learn about evolution of solar system

What is the News? NASA is set to launch the ‘Lucy’ Mission in the next week. What is Mission Lucy? Mission Lucy is NASA’s first mission to explore the Jupiter Trojan asteroids. Named After: The mission is named after ‘Lucy’, a 3.2 million-year-old ancestor who belonged to a species of hominins (which include humans and… Continue reading Explained: How Jupiter Trojan asteroids will help NASA learn about evolution of solar system

New toxic-free, superior multilayer technology that packages together electronic components can help country’s strategic sectors

What is the news?  CSIR– NIIST (National Institute for Interdisciplinary Science and Technology), under the purview of “Advanced Manufacturing Techniques scheme” of Department of Science & Technology (DST) has indigenously developed toxic-free and superior multilayer series of LTCC tapes and HTCC substrates which are on par with international standards.  About the technology: LTCC tapes and HTCC substrates  These technologies package together electronic components like resistors,… Continue reading New toxic-free, superior multilayer technology that packages together electronic components can help country’s strategic sectors

World Is Entering A New Moon Age 

Synopsis: About NASA’s Artemis programme, various consequences of India joining the programme and how India needs to tackle all this.  Introduction  On September 7, 2019, India’s Chandrayaan-2 Moon Lander crashed in a cloud of lunar dust no human would witness. It had experienced a “hard landing” on a desolate patch of the lunar surface. It shows the difficulties of the operation and ‘optimism… Continue reading World Is Entering A New Moon Age 

India and the geopolitics of the moon

Synopsis: Delhi should take a hard look at the emerging challenges to the current space order and its interests on the moon, and develop strategies to pursue them through a national lunar mission. Introduction Space-faring powers are seeking routine access to the moon. Moreover, their attention has now turned to what is called the cis-lunar… Continue reading India and the geopolitics of the moon

Trans- Himalayan region becoming one of the promising astronomical sites globally

What is the news? A recent study said that the Indian Astronomical Observatory (IAO) located at Hanle near Leh in Ladakh is becoming one of the promising observatory sites globally. This is due to its advantages of more clear nights, minimal light pollution, background aerosol concentration, extremely dry atmospheric condition, and uninterrupted by monsoon. About… Continue reading Trans- Himalayan region becoming one of the promising astronomical sites globally

Landsat 9: NASA’s ‘new eye in the sky’ that will help study climate change 

What is the news?  Recently, a NASA satellite was successfully launched the earth monitoring satellite, Landsat 9. It is a joint mission of NASA and the US Geological Survey (USGS).  The first Landsat satellite was launched in 1972. Since then, Landsat satellites have collected images of our planet and helped understand how land usage has changed over the… Continue reading Landsat 9: NASA’s ‘new eye in the sky’ that will help study climate change 

The growing strategic importance of outer space

Synopsis: India is looking to bolster outer space cooperation with US and other QUAD members. Many reforms have also been initiated towards this direction. But, the growing strategic salience of outer space demands substantive national policy action in India. Introduction Technological progress in the last two decades has also “produced” new domains for human activity.… Continue reading The growing strategic importance of outer space

 Explained: What is dark energy, and have scientists finally detected it? 

What is the news? Last week, an international team of researchers made the first putative direct detection of dark energy.  What is XENON1T experiment?  The XENON1T experiment is the world’s most sensitive dark matter experiment and was operated deep underground at the INFN Laboratori Nazionali del Gran Sasso in Italy. In this experiment scientists noticed certain unexpected results. As per them, dark… Continue reading  Explained: What is dark energy, and have scientists finally detected it? 

What samples brought back by China mission tell us about Moon

What is the News? China’s Chang’e-5 lunar mission has delivered to Earth nearly 2 kg of rocky fragments and dust from the Moon. What is the Chang’e-5 lunar mission? Chang’e 5 lunar mission is the Chinese National Space Administration’s (CNSA) mission to send a robotic spacecraft to the moon to collect samples and return them… Continue reading What samples brought back by China mission tell us about Moon

Scientists peek into the Sun by estimating magnetic fields using radio observations

What is the News? Indian scientists along with international collaborators have measured the magnetic field of an eruption from the Sun’s atmosphere offering a rare peek to the interior of the Sun.  About the Study Scientists from the Indian Institute of Astrophysics (IIA) studied the weak thermal radio emission associated with the erupted plasma for… Continue reading Scientists peek into the Sun by estimating magnetic fields using radio observations

What Chandrayaan-2 has sent

Synopsis: The failure of Chandrayaan-2 to make a soft-landing on the lunar surface had led to much disappointment. However, Orbiter part of the mission has gathered a wealth of new information. Introduction Due to crash landing, ISRO missed the opportunity to demonstrate soft-landing in outer space and gather more local information. The lander Vikram and rover… Continue reading What Chandrayaan-2 has sent

What is Inspiration4, SpaceX’s first all-civilian space mission?

What is the News? SpaceX has announced that it is planning to launch the Inspiration4 mission by September 15. About Inspiration4 mission: Inspiration4 is a spaceflight planned for four people aboard the SpaceX Resilience capsule. The three-day flight will be the first human spaceflight to orbit Earth with exclusively private citizens on board. The flight… Continue reading What is Inspiration4, SpaceX’s first all-civilian space mission?

Long-feared space junk has become an imminent threat

  Synopsis: With the increasing cost-effectiveness in rocket and satellite technologies, more countries and companies are planning more missions to orbit than ever before. This will ultimately result in more space debris that could trigger a mass collision in the future. This calls for countries and corporates to collaborate on the issue. Introduction In March,… Continue reading Long-feared space junk has become an imminent threat

Blue straggler – bigger and bluer star formed when one star eats up another

What is the News? Indian researchers have done a comprehensive analysis to understand the formation of blue stragglers. What are Blue Stragglers? Blue stragglers are a class of stars on open or globular clusters. They stand out as they are bigger and bluer than the rest of the stars. Note: A globular cluster is a… Continue reading Blue straggler – bigger and bluer star formed when one star eats up another

Indian astrophysicists spot rare merger of three jumbo black holes

Source: The Hindu and PIB What is the News? Researchers from the Indian Institute of Astrophysics, Bengaluru, have observed three supermassive black holes from three galaxies merging to form a triple active galactic nuclei. About the Research: Researchers were studying a pair of known galaxies — NGC7733 and NGC7734 — when they detected an unusual bright… Continue reading Indian astrophysicists spot rare merger of three jumbo black holes

The space race is getting harder

Source: Business Standard Relevance: Understanding the impact of the new space race Synopsis: A vast technological gap is opening up as humans race to colonize the solar system. A brief look into the space race of the past and the implications of the new age space race. Why launching objects into space is hard? India… Continue reading The space race is getting harder

Why ISRO’s launch of Earth-watching satellite failed?

Source: Mint, India Express, The Hindu What is the news? Recently, ISRO’s attempt to put EOS-03 satellite using GSLV-F10 into the orbit failed. What went wrong? The upper stage, powered by a cryogenic engine fuelled by liquid hydrogen and liquid oxygen at very low temperatures, failed to ignite. The rocket lost the power to carry… Continue reading Why ISRO’s launch of Earth-watching satellite failed?

EOS-03 mission couldn’t be accomplished due to performance anomaly: ISRO

Source: Indian Express What is the News? Indian Space Research Organisation’s(ISRO) second mission “EOS-03” faced a setback.  It could not be accomplished fully due to a performance anomaly in the cryogenic stage of the rocket. About EOS-03: EOS-03 is a state-of-the-art agile Earth observation satellite. It was launched by the Geosynchronous Satellite Launch Vehicle-F10(GSLV-F10). Objectives… Continue reading EOS-03 mission couldn’t be accomplished due to performance anomaly: ISRO

ISRO-SAC instrument finds presence of hydroxyl and water molecules on Moon

Source: Indian express Synopsis: The discovery of hydroxyl and water molecules on the moon would help in studying its mineralogy.   Background: Chandrayaan-2 has detected the unambiguous presence of hydroxyl and water molecules on the Moon. The findings were confirmed by a paper published in the latest issue of the fortnightly journal Current Science. The paper was… Continue reading ISRO-SAC instrument finds presence of hydroxyl and water molecules on Moon