Yg (unit)
Yottagram (1024 g)
Anaerobic organisms
Organisms that do not require oxygen for growth
Aerobic organisms
Organisms that can survive and grow in an oxygenated environment
proliferation
A rapid increase in the number or amount
Primordial
In the earliest stage of development
Subduction
A geological process that takes place at boundaries of tectonic plates where one plate moves under another and is forced to sink due to gravity into the mantle
apparent magnitude
A measure of the relative brightness of astronomical objects. The more apparent magnitude will be, less the body will be visible from Earth.
supernova
A powerful and luminous explosion of a star where it either collapses to become a neutron star or a Black Hole, or it is completely destroyed
corona
The outermost part of the Sun’s atmosphere. It is visible to a normal eye only during a total solar eclipse.
protoplanetary disc
A rotating circumstellar disk of dense gas and dust surrounding a young newly formed star