Examlex
Poor clusters of galaxies often contain an excess of E and SO galaxies.
Nuisance Static Charges
Static electric charges that develop on objects when it is not desirable for the object to become charged.
Semiconductor Material
Materials with electrical conductivity between that of a conductor and an insulator, used in the manufacture of electronic devices.
Copy Machine Drums
The component in a photocopier or laser printer that transfers the toner to the paper to produce the printed image.
Lightning Protectors
Devices designed to protect electrical equipment and systems from damage caused by lightning strikes, diverting the surge to the ground.
Q4: Voids are<br>A) regions in an elliptical galaxy
Q11: Which of the following was not discussed
Q15: The proton-proton chain needs high temperature because<br>A)
Q18: A neutron star is expected to spin
Q24: RR Lyrae variables<br>A) are less luminous than
Q28: Compared to being on the Earth,a person
Q43: Planets are thought to be forming today
Q47: The density wave theory explains spurs and
Q51: A main sequence star of 8.5 solar
Q55: The fact that many radio lobes emit