Tonight's Sky
Sun
Sun
Moon
Moon
Mercury
Mercury
Venus
Venus
Mars
Mars
Jupiter
Jupiter
Saturn
Saturn

Tonight's Sky — Change location

OR

Searching...

Tonight's Sky — Select location

Tonight's Sky — Enter coordinates

° '
° '

How do scientists identify planetary compositions and temperatures (both internal and external)?

Étienne-Julien Binette, St-Hilaire, Quebec, Canada
Jupiter
Jupiter. NASA/Reta Beebe, and Amy Simon (New Mexico State University)
Determining compositions and temperatures of planets and satellites involves several disciplines, from spectroscopy to seismology.

Already a subscriber? Register now!

Registration is FREE and takes only a few seconds to complete. If you are already registered on Astronomy.com, please log in below.
ADVERTISEMENT
FREE EMAIL NEWSLETTER

Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. View our Privacy Policy.

ADVERTISEMENT
ADVERTISEMENT
ObservingforBeginners_MedRec
Observing the night sky is a fun and easy activity that anyone can do, but getting started can be daunting for beginners.
Find us on Facebook