How do we know that Jovian planets formed within about 10 million years of the formation of the solar nebula?
A) It takes about 10 million years for gas giants to grow by gravitational collapse.
B) After 10 million years there was very little gas present in the solar nebula.
C) We have estimated their ages using the proportions of radioactive elements in their atmospheres.
D) We have estimated their ages by measuring how much heat is left over from their formation.
Correct Answer:
Verified
Q3: What is an extrasolar planet?
A)a planet that
Q29: According to the condensation sequence,what should condense
Q45: Mercury has a mass of 3.3 ×
Q48: The Terrestrial planets are thought to have
Q49: Approximately how many exoplanets had been confirmed
Q51: Which assumption must be true for the
Q52: What are the characteristics of most of
Q53: Which of the following correctly matches the
Q54: Which of the following is believed to
Q55: What is outgassing?
A) the adding of material
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents