Learn all about pulsars — neutron stars that seem to blink on and off superfast — in the 16th episode of the astrophysics-explainer video series "我们没有星球."
相关话题： 专家声音 - 保罗口排
Learn all about neutrinos — ghostly, chargeless particles that hardly ever interact with normal matter — in the 14th episode of the astrophysics-explainer video series "我们没有星球."
Learn all about the parsec, one of the most commonly used distance measurements in astronomy, in the 10th episode of the astrophysics-video series "我们没有星球."
Astronomers use a variety of methods to determine how far away celestial objects are from Earth. Learn about this "cosmic distance ladder" in the ninth episode of "我们没有星球."
Planets and other celestial bodies can take many types of paths through space. Learn all about the different kinds of orbits in the sixth episode of "我们没有星球."
The Hertzsprung-Russell diagram allows astronomers to map out the complete life history of a star. Learn all about this famous diagram in the fifth episode of "我们没有星球."
Dark matter is far more abundant in the universe than the "normal" stuff we can see and touch. Learn about the evidence for dark matter in the fourth episode of "我们没有星球."
Dark energy is the mysterious force causing the universe's accelerating expansion. Learn all about it in the second episode of the astrophysics video-explainer series "我们没有星球."
There's a new way to get your astrophysics fix: "我们没有星球," a new series of 4- to 6-minute videos that explores some of the most fascinating concepts and objects in the cosmos.
Learn all about the structure of the sun in the first episode of the astrophysics video-explainer series "我们没有星球."