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Mangal Yaan meaning Mars Craft 1337kg about the size of a small car

The search for methane is probably the most signicant mission of MANA!YAAN

Martian methane can be "etecte" from the sensors of earth but the NA#A$s ro%er

unable to "etect methane!' C() rocket using alternate soli" an" li*ui" propulsion in + stages

,or soli" fuel thrust cannot be regulate"

&ut into elliptical earth parking orbit -spee" at apogee an" perigee

A.M is re" /hen orbiter is closer /hen its %elocity is high This raises the orbit an"

increases the %elocity /ith least amount of fuel-

After si0 main engine burns orbiter gains escape %elocity to escape from earth$s

sphere of inuence

#un is so massi%e that its gra%ity "ominates the solar system - 2nly near to theplanet that the planetary gra%ity becomes stronger than the sun gra%ity- This region

aroun" the planet is referre" to as sphere of inuence of that planet an" the

%elocity re*uire" to escape the sphere of inuence is calle" escape %elocity-

hen mars is in right position orbiter lea%es the earths in the "irection tangential to

earth$s orbit - this process of setting the orbiter into tra4ectory /hich /ill cause it to

arri%e at the mars is calle" trans mars in4ection-

Accor"ing to ne/ton$s rst la/ of motion any ob4ect continues to be in the state of

motion unless it s acte" upon by an e0ternal force-

The fuel is only use" to correct the tra4ectory This process is calle" the tra4ectorycorrection maneu%er

5t /ill reach mars on (+thsept (61+- To make this happen the angle bet/een earth

mars an" the sun shoul" be ++6- #uch arrangements /ill recur at inter%als of about

786 "ays-

'elocity of the orbiter9 :oppler e;ect-

To reach mars the orbiter follo/s the heliocentric path meaning orbiting aroun" the

sun

#hortest "istance bet/een the earth an" the mars is )+-< million kilometers-

!aunching it in the shortest possible path an" "ecelerate it to match the planet$sspee" /oul" re*uire an e0tremely large amount of fuel

The path /hich re*uires the least amount of fuel is the elliptical orbit of about 7( million "ollars

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:istance bet/een earth an" mars is +66 million kilometer at the farthest >? 11-()

rupees per kilometer

#houl" in"ia be really e0ploring the mars if 1@3r" of the people li%e belo/ the

po%erty line