Question
Consider the following pairs:
Objects in space : Description
1. Cepheids : Giant clouds of dust and gas in space
2. Nebulae : Stars which brighten and dim periodically
3. Pulsars : Neutron stars that are formed when massive stars run out of fuel and collapse
How many of the above pairs are correctly matched ?
(a) Only one
(b) Only two
(c) All three
(d) None
Answer:
A
To suggest corrections, send feedback using feedback button in top menu.
To suggest corrections, use feedback icon on top menu.
Explanation:
Cepheids are not giant clouds of dust and gas in space. Cepheids are actually a type of variable star that brightens and dims periodically.
Nebulae are giant clouds of dust and gas in space.
Pulsars are not formed when massive stars run out of fuel and collapse. Pulsars are highly magnetized, rotating neutron stars.