Chandrayaan-1 was India's first lunar probe launched in October 2008. It was developed by the Indian Space Research Organisation to study the moon's composition and confirm the presence of water on the lunar surface. The probe successfully mapped the lunar surface and discovered evidence of water molecules and hydroxyl ions on the moon before its operations concluded earlier than planned after 312 days. India became the fifth nation to place a spacecraft in lunar orbit due to the success of the Chandrayaan-1 mission, which was launched using the reliable Polar Satellite Launch Vehicle.

1. CHANDRAYAAN -1
INDIA’S FIRST LUNAR PROBE

2. INTRODUCTION
 Chandrayaan1 literally means the moon vehicle .
 India’s first unnamed mission to moon developed by Isro
 Was launched on October 22 2008 from Satish Dhawan Centre .
 Estimated cost Rs 386 crore

3. CHANDRAYAAN 1
Chandrayaan-1 was the first Indian lunar probe under Chandrayaan program. It
was launched by the Indian Space Research Organisation in October 2008, and
operated until August 2009. The mission included a lunar orbiter and an impactor.
It mapped the Moon in infrared, visible, and X-ray light from lunar orbit and used
reflected radiation to prospect for various elements, minerals, and ice.

4. WHY GO TO MOON ?
o Origin and Evolution
o India’s potential
o One million tones of Helium 3 on moons surface.
o Helium 3 is believed to be the fuel of future.
o Outpost for further planetary explorations.

5. WAS CHANDRAYAAN-1SUCCESFULL OR
NOT
Chandrayaan-1 completed the lunar orbit insertion operation on 8 November 2008
at 11:21. The orbital period was estimated to be around 11 hours. With
the successful completion of this operation, India became the fifth nation to put a
vehicle in lunar orbit. The spacecraft operated for less than two years: 312 days as
opposed to two years. However, the Chandrayaan-1 was successful in achieving at
least 95 per cent of its objectives.

6. PSLV ROCKET
Polar Satellite Launch Vehicle is the third generation launch vehicle of India. It is
the first Indian launch vehicle to be equipped with liquid stages. After its first
successful launch in October 1994, Polar Satellite Launch Vehicle emerged as the
reliable and versatile workhorse launch vehicle of India with 39 consecutively
successful missions. The vehicle has launched 48 Indian satellites and 209 satellites
for customers from abroad. Besides, the vehicle successfully launched two spacecraft
– Chandrayaan-1 in 2008 and Mars Orbiter Spacecraft in 2013 – that later traveled
to Moon and Mars respectively

7. WATER ON MOON
The Moon Impact Probe (left) was detached from the orbiting Chandrayaan
spacecraft and deorbited. It hard landed on a designated spot on the Moon. During
the descent, it was spin stabilised and was performing experiments on the Lunar
atmosphere. It detected water in vapour form in trace amounts.This amazing
discovery was confirmed by the JPL-Brown University payload Moon Mineralogy
Mapper (M3). M3 detected spectral lines near the wavelengths in the range of of 2.8
- 3.0 microns, a property attributed to water and Hydroxyl ions. It is believed that
formation of Hydroxyl ions and water molecules on the Lunar surface is an ongoing
process.

8. HOW DID PSLV HELPED CHANDRAAYAN 1
PSLV-C11, chosen to launch Chandrayaan-1 spacecraft, was an updated version of
ISRO's Polar Satellite Launch Vehicle standard configuration. Weighing 320
tonne at lift-off, the vehicle used larger strap-on motors (PSOM-XL) to achieve
higher payload capability. PSLV is the trusted workhorse launch Vehicle of ISRO.
During September 1993- April 2008 period, PSLV had twelve consecutively
successful launches carrying satellites to Sun Synchronous, Low Earth and
Geosynchronous Transfer Orbits. On October 22, 2008, its fourteenth flight
launched Chandrayaan-1 spacecraft.

9. Thanks For
Watching