How is energy produced in stars?
Energy is produced by thermonuclear fusion process in stars.
Energy is produced by thermonuclear fusion process in stars.
Information like geological survey of metallic ores in the earth’s crust, environmental changes, water resources, agricultural resources, diseases spread in crops, oceanic phenomena; etc can be obtained by remote sensing satellites.
Remote sensing is a method by which information about a substance; matter or a phenomenon can be obtained using scientific instruments without direct contact with them.
A multistage rocket is required to carry heavy payloads.
‘Pay-load’ includes all scientific equipment, satellite, etc. that is carried by a rocket (or a spacecraft) to the space.
A powdered mixture of aluminium and ammonium perchlorate (or ammonium nitrate) is used as solid fuel in a rocket.
A mixture of liquid hydrogen and liquid oxygen is used as liquid fuel in rockets.
The Steady-state theory believes that the Universe appears the same at all times and remains unchanged.
The Big Bang took place about 13.7 billion years ago.
The rate of receding away of galaxies from one another is directly proportional to the relative (intergalactic) distance between them.