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Daily Current Affairs — 01 September 2026

📅 Published 01 September 2026 · Current affairs compiled for 01 September 2026

Daily Current Affairs · 01 September 2026

10 fully-analysed topics · 30 bilingual MCQs · 3 embedded videos · built for UPSC Prelims & Mains

📚 10 Topics
🎯 30 MCQs
🎬 3 Videos
🇮🇳 Hindi + English
Economy: 8 · History: 2

▶ Start Here — Today's Full Current Affairs

Current Affairs 01 September 2026 — Full Video (Hinglish)

Every major story of the day explained in Hinglish · by Current Affair Daily

Watch the full day's current affairs explained end to end, then test yourself on the topics below.

📰 Today’s Top 5 Current Affairs
#01
Economy

Nancy Grace Roman Space Telescope

📰 Why in News

The Nancy Grace Roman Space Telescope is NASA's next-generation flagship space observatory designed to explore major mysteries of the universe

✅ Quick Facts
  • Achievements of Indians in Science & Technology
  • About: It is named after Nancy Grace Roman, NASA's first Chief Astronomer, who played a key role in developing NASA's space astronomy programme and…
  • Roman will survey the universe around 1,000 times faster than Hubble and generate around 1.4 terabytes of data daily
  • The telescope will measure how the universe has expanded over time and investigate the role of dark energy in shaping cosmic evolution.
📝 Quick Check

Which statement correctly describes Nancy Grace Roman Space Telescope?

✅ Correct! That fact belongs to this topic.

❌ Not quite — that fact is from another headline. The green option is right.

#02
Economy

Dark Energy

📰 Why in News

The universe's energy makeup involves a delicate balance between different forms of matter and radiation.

✅ Quick Facts
  • Dark energy, constituting a significant 68%, plays a dominant role in dictating the universe's expansion.
  • About: Dark energy is a mysterious and elusive form of energy that makes up a significant portion of the total energy content of the universe.
  • It is thought to be responsible for the observed accelerated expansion of the cosmos.
  • Roughly 68% of the universe is dark energy and dark matter makes up about 27%
Show 6 more facts
  • Key points to understand about dark energy: Invisible Force Steering Expansion: Dark energy is an unseen influence responsible for the accelerated…
  • Contrary to the notion of space being a void, dark energy introduces a new perspective
  • The universe's expansion is not uniform, and different forms of energy contribute to this process uniquely
  • Dark energy dominates the universe's energy budget, and its presence dictates the overall rate at which space expands
  • The amount of dark energy has significant implications for the observable universe
  • Conversely, excessive negative energy might lead to the universe collapsing to a tiny point.
📝 Quick Check

Which statement correctly describes Dark Energy?

✅ Correct! That fact belongs to this topic.

❌ Not quite — that fact is from another headline. The green option is right.

#03
History

Dark Matter and Dark Energy

📰 Why in News

Recently, physicists revised the minimum mass of dark matter and pushed it up to 2.3 10-30 proton masses.

✅ Quick Facts
  • For decades scientists thought this minimum mass was about 10-31 times the mass of a proton.
  • About: Dark matter is a form of matter that is entirely invisible
  • Dark matter makes up about 27% of the universe, outweighing visible matter six to one, while visible matter accounts for only 5%.
  • Visible matter (Baryonic matter) consists of subatomic particles like protons, neutrons, and electrons.
Show 6 more facts
  • Composition of Dark Matter: Dark matter is thought to consist of non-baryonic WIMPs (weakly interacting massive particles)
  • Sterile Neutrinos: Sterile neutrino is proposed as a dark matter candidate as it only interacts with regular matter through gravity
  • Big Bang Theory: Dark matter may have formed during the Big Bang and concentrated into black holes
  • Stellar Remnants: Stellar remnants such as white dwarfs and neutron stars are also thought to contain high amounts of dark matter
  • Galaxy Rotation Curves: According to Newtonian gravity, objects at the edge of galaxies should be moving slower than those near the center
  • Alpha Magnetic Spectrometer (AMS): The AMS is an experiment mounted on the International Space Station which has detected an excess of positrons (the…
🎯 UPSC Relevance

Dark matter, making up a significant portion of the universe, remains elusive yet crucial for understanding cosmic structures and evolution.

📝 Quick Check

Which statement correctly describes Dark Matter and Dark Energy?

✅ Correct! That fact belongs to this topic.

❌ Not quite — that fact is from another headline. The green option is right.

#04
Economy

Exoplanet

📰 Why in News

Prelims: Exoplanet, NASA, James Webb Space Telescope, LHS 475 b, Exoplanets, Red Dwarf Star.

✅ Quick Facts
  • Owing to the Webb telescope's advanced capabilities, researchers may detect more Earth-sized planets in future.
  • Findings: It is roughly the same size as Earth, its diameter is 99% the same as Earth.
  • It is a terrestrial, rocky planet about 41 light-years away from Earth in the constellation Octans.
  • It differs from Earth in that it completes an orbit in just two days and is hundreds of degrees hotter than Earth.
Show 6 more facts
  • It is also closer to its star than any planet in our solar system is to the sun, although its star is less than half the temperature of the sun
  • So far, most of the discovered exoplanets are similar to Jupiter as Earth-sized planets are much smaller in size and harder to discover with older…
  • These first observational results from an Earth-size rocky planet open the door to many future possibilities for studying rocky planet atmospheres.
  • Its red dwarf star is less than half the temperature of the Sun, so the researchers are expecting that it still could have an atmosphere.
  • About: Exoplanets are planets that orbit other stars and are beyond our solar system
  • Scientists believe that there are more planets than stars as each star have at least one planet orbiting it.
🎯 UPSC Relevance

Mains: Exoplanet, its discovery and significance of its study.

📝 Quick Check

Which statement correctly describes Exoplanet?

✅ Correct! That fact belongs to this topic.

❌ Not quite — that fact is from another headline. The green option is right.

#05
Economy

Hubble Space Telescope

📰 Why in News

NASA has returned the science instruments on the Hubble Space Telescope (HST) to operational status, almost a month after suspending their work due to trouble with its payload computer.

✅ Quick Facts
  • About: It is named after the astronomer Edwin Hubble.
  • The observatory is the first major optical telescope to be placed in space and has made groundbreaking discoveries in the field of astronomy since…
  • The other missions in the program include the visible-light Spitzer Space Telescope
  • It is larger than a school bus in size (13.3 meters), and has a 7.9 feet mirror.
Show 6 more facts
  • It captures images of deep space playing a major role in helping astronomers understand the universe by observing the most distant stars
  • NASA also allows anyone from the public to search the Hubble database for which new galaxy it captured
  • Expansion of the Universe was accelerating (1990s)
  • Snapshot of Southern Ring Nebula (1995), it showed two stars, a bright white star and a fainter dull star at the centre of the nebula where the dull…
  • Collusion of two dwarf galaxies (1998) one of which is I Zwicky 18. This led to the formation of a new Star.
  • Colourful patterns of gases in a black hole powered galaxy known as the 'Circinus Galaxy'(1999).
📝 Quick Check

Which statement correctly describes Hubble Space Telescope?

✅ Correct! That fact belongs to this topic.

❌ Not quite — that fact is from another headline. The green option is right.

📚 💰 Core Subject Drill — Indian Economy

💰 Indian Economy MCQ Quiz · भारतीय अर्थव्यवस्था

10 bilingual MCQs · Indian Economy · Members Only on YouTube

Today's rotation: Indian Economy. Take this break between news topics to sharpen the core concept.

📖 More Current Affairs Coverage
#06
Economy

James Webb Space Telescope

📰 Why in News

The James Webb Space Telescope (JWST) is scheduled to be rocketed into orbit later this year (2021).

✅ Quick Facts
  • About: It is the most powerful infrared telescope of National Aeronautics and Space Administration (NASA).
  • It is also considered a successor of the Hubble Telescope and will extend and complement its discoveries
  • Hubble has captured galaxies merging, probed supermassive black holes and has helped us understand the history of our universe.
  • It will be launched on an Ariane 5 ECA rocket from French Guiana in South America
Show 6 more facts
  • To search for the first galaxies that formed after the Big Bang.
  • To determine how galaxies evolved from their earlier formation until now.
  • To observe the formation of stars from the first stages to the formation of planetary systems.
  • To measure the physical and chemical properties of planetary systems and investigate the potential for life in such systems.
  • Wavelength: The JWST will observe primarily in the infrared range and provide coverage from 0.6 to 28 microns.
  • The instruments on Hubble see mainly in the ultraviolet and visible part of the spectrum
📝 Quick Check

Which statement correctly describes James Webb Space Telescope?

✅ Correct! That fact belongs to this topic.

❌ Not quite — that fact is from another headline. The green option is right.

#07
Economy

Aditya-L1 into L1 orbit

📰 Why in News

The Indian Space Research Organisation (ISRO) is set to perform a crucial manoeuvre to bind Aditya-L1, aiming to place it into orbit around the Lagrangian point (L1), located approximately 1.5 million km from Earth.

✅ Quick Facts
  • Aditya-L1, the first Indian space-based observatory dedicated to studying the Sun, was launched in September 2023, using a PSLV-C57 rocket from the…
  • Placing a satellite in the halo orbit around the L1 point allows continuous observation of the Sun without occultation or eclipse
  • Lagrange points are positions in space where the gravitational forces of two large masses balance the centripetal force for a smaller object to stay…
  • These payloads aim to provide crucial information on coronal heating
📝 Quick Check

Which statement correctly describes Aditya-L1 into L1 orbit?

✅ Correct! That fact belongs to this topic.

❌ Not quite — that fact is from another headline. The green option is right.

#08
History

Milky Way's Violent Birth Decoded – reporting

📰 Why in News

Based on the Gaia space observatory data, Scientist has observed that the Milky Way, home to our sun and billions of other stars, merged with another smaller galaxy in a cosmic collision roughly 10 billion years ago.

✅ Quick Facts
  • Gaia is a mission to chart a three-dimensional map of our Galaxy
  • Gaia will provide unprecedented positional and radial velocity measurements with the accuracy needed to produce a census of about one billion stars…
  • According to scientists, the union of the Milky Way and the so-called dwarf galaxy Gaia-Enceladus increased our galaxy's mass by about a quarter and…
  • Galaxies of all types, including the Milky Way, began to form relatively soon after the Big Bang explosion that marked the beginning of the universe…
Show 1 more facts
  • Certain stars with higher content of elements other than hydrogen or helium arose in the Milky Way and others with lower such content originated in…
📝 Quick Check

Which statement correctly describes Milky Way's Violent Birth Decoded – Drishti IAS?

✅ Correct! That fact belongs to this topic.

❌ Not quite — that fact is from another headline. The green option is right.

#09
Economy

ESA and Twelve Countries Sign the Zero Debris Charter

📰 Why in News

Twelve nations have signed the Zero Debris Charter at the European Space Agency (ESA) /EU Space Council, solidifying their commitment to the long-term sustainability of human activities in Earth orbit.

✅ Quick Facts
  • Effect of Policies & Politics of Countries on India's Interests
  • Unveiled at the ESA Space Summit in Seville in November 2023, the Zero Debris Charter aims to achieve debris-neutrality in space by 2030.
  • The Zero Debris Charter is facilitated by ESA's 'Protection of Space Assets' Accelerator and was created by 40 global space actors.
  • Any entity committed to advancing space safety and sustainability can sign the Charter and join the Zero Debris Community without needing approval…
Show 1 more facts
  • Recently, Austria, Belgium, Cyprus, Estonia, Germany, Lithuania, Poland, Portugal, Romania, Slovakia, Sweden, the United Kingdom, and the European…
📝 Quick Check

Which statement correctly describes ESA and Twelve Countries Sign the Zero Debris…?

✅ Correct! That fact belongs to this topic.

❌ Not quite — that fact is from another headline. The green option is right.

#10
Economy

JAXA's SLIM Lunar Mission Analysis

📰 Why in News

The Japan Aerospace Exploration Agency (JAXA) recently achieved a significant milestone as its "Smart Lander for Investigating Moon" (SLIM)…

✅ Quick Facts
  • This mission marks Japan's second attempt at a soft Moon landing after the Hakuto-R mission
  • SLIM, having a dry weight of around 190 kilograms, stands as an example of precision technology, aiming to touch down within 100 meters of its target…
📝 Quick Check

Which statement correctly describes JAXA's SLIM Lunar Mission Analysis?

✅ Correct! That fact belongs to this topic.

❌ Not quite — that fact is from another headline. The green option is right.

🗞️ Wrap Up — Simple CA Quiz

Simple Current Affairs MCQ — 01 September 2026

10 accessible MCQs covering the same topics · great for quick revision

End your study session with these simpler MCQs to lock in recall of today's current affairs.

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