Pulsars Meaning in English
word · lemma: pulsar
التعريف
A pulsar is a type of rapidly spinning neutron star that sends out regular pulses of radio waves and other radiation. Pulsars are the remains of massive stars after they have exploded as supernovas.
الاستخدام والفروق الدقيقة
'Pulsar' is a technical and scientific term mainly used in astronomy. It is countable ('a pulsar', 'many pulsars'), and plural is 'pulsars'. Often used with verbs like 'emit', 'discover', and with adjectives like 'rapidly spinning' or 'radio' to describe its properties.
جمل نموذجية
Scientists study pulsars to learn about stars.
basic
Pulsars send out strong radio signals from space.
basic
Astronomers discovered new pulsars last year.
basic
Some pulsars spin hundreds of times every second.
natural
Astronomers use the regular signals from pulsars as cosmic clocks.
natural
Without pulsars, we wouldn’t know as much about the life cycles of stars.
natural