Books & Magazines

Prelims Wallah (Q&A Bank)

Udaan

Udaan 500+

Budget & Economic Survey

Monthly Current Wallah

Weekly Current Wallah

Editorial Summary

Editorial Q&A Compilation

NCERT Wallah

Prahaar (Mains Wallah)

Marks Booster

Mains Wallah (Q&A Bank)

UPSC PYQs

UPSC Notes

CA & Editorials

Daily Current Affairs

Subject Wise Current Affairs

Editorial Analysis

Other Resources

Home/Current Affairs/Aryabhata: India’s First Indigenous Satellite

Aryabhata: India’s First Indigenous Satellite

21 Apr 2025

Aryabhata: India’s First Indigenous Satellite

April 19, 2025 marked the 50th anniversary of the launch of Aryabhata, India’s first indigenously built satellite.

  • It laid the foundation of India’s space communication, scientific research, and satellite technology ecosystem.
  • As of 2025, ISRO has launched 131 satellites, with 51 currently operational in orbit.

About Aryabhata Satellite

  • Name: Aryabhata, after the ancient Indian astronomer (Aryabhata I – 476 to 550 CE).
  • Developed by: Indian Space Research Organisation (ISRO).
  • Launch Date: April 19, 1975.
  • Launch Vehicle & Site:
    • Launched using Soviet Kosmos-3M rocket
    • From Kapustin Yar, USSR (present-day Russia)

Aryabhata

Mission Details

  • Shape: 26-sided quasi-spherical structure.
  • Scientific Objectives:
    1. X-ray astronomy experiments.
    2. Solar neutron and gamma ray detection.
    3. Upper atmospheric studies.
  • Notable Milestone: First satellite designed and built entirely in India; only launched with foreign assistance.

PWOnlyIAS Extra-Edge

About Aryabhata I (476–550 CE)

  • Era: Born in Pataliputra (modern-day Patna), Bihar.

Key Contributions

  • Proposed a heliocentric model with the rotation of Earth on its axis.
  • Provided an accurate value of π (pi ≈ 3.1416).
    Introduced the concept of zero and sine functions.
    Calculated sidereal rotation, solar eclipses, and lunar eclipses with remarkable precision.

Book: Aryabhatiya: His magnum opus divided into four chapters—

  • Gitikapada: Large units of time.
  • Ganitapada: Algebra and arithmetic.
  • Kalakriyapada: Calendrical calculations.
  • Golapada: Celestial sphere and planetary motion.

Also Read
UPSC Daily Editorials UPSC Daily Current Affairs
Daily Current Affairs Quiz Daily Main Answer Writing
Check Out Previous Years Papers From PW Store UPSC Test Series
Check Out UPSC NCERT Textbooks From PW Store Check Out UPSC Modules From PW Store 

Print Friendly, PDF & Email

SRIJAN MAINS

SRIJAN MAINS

Archive Calendar

Mon Tue Wed Thu Fri Sat Sun
 123
45678910
11121314151617
18192021222324
25262728293031

by month

SRIJAN MAINS

SRIJAN MAINS

Need help preparing for UPSC or State PSCs?

Connect with our experts to get free counselling & start preparing

Aiming for UPSC?

Download Our App

# #

Download Our App

# #

Contact Details

Aiming for UPSC?

Download Our App

# #
      

Follow Us:

Contact Details

Download Our App

# #
Quick Revise Now !
AVAILABLE FOR DOWNLOAD SOON
UDAAN PRELIMS WALLAH
Comprehensive coverage with a concise format
Integration of PYQ within the booklet
Designed as per recent trends of Prelims questions
हिंदी में भी उपलब्ध
Quick Revise Now !
UDAAN PRELIMS WALLAH
Comprehensive coverage with a concise format
Integration of PYQ within the booklet
Designed as per recent trends of Prelims questions
हिंदी में भी उपलब्ध

<div class="new-fform">






    </div>

    Subscribe our Newsletter
    Sign up now for our exclusive newsletter and be the first to know about our latest Initiatives, Quality Content, and much more.
    *Promise! We won't spam you.
    Yes! I want to Subscribe.