Examlex
The longest period for a comet that can be considered a Jupiter family comet is 20 years.If the perihelion of such a comet''s orbit is very close to the Sun,where is aphelion?
Incoming Tweets
Messages received on the social media platform Twitter, often in real time, from individuals or organizations one follows.
Television
An electronic device or system for transmitting moving images and sound from a source to a screen.
Ringing Cell Phones
The sound made by mobile phones to indicate an incoming call, message, or notification.
Shih Hwang-ti
The first emperor of a unified China, known for his contributions to Chinese culture and history, such as the construction of the Great Wall of China.
Q2: The huge hydrogen cloud that surrounds the
Q40: The ionized gas tail of a comet
Q51: Computer simulations of the formation of the
Q98: Which property(ies)of a nearby star is/are determined
Q110: The dark,reddish bands on Jupiter are called:<br>A)
Q172: What is a Hirayama family of asteroids?<br>A)
Q183: What is the transition zone?<br>A) This is
Q227: Three stars have the following apparent (m)and
Q300: Tidal flexing from Saturn appears to be
Q306: What is helium rain?<br>A) In Jupiter's large