Describe two ways of detecting extrasolar planets
What will be an ideal response?
Most are found by their gravity pulling their stars enough to create observed Doppler shifts as the planets orbit their stars. A few have also been seen to transit the disks of their stars, with drops in the star's light seen in photometers.
You might also like to view...
The voltage supplied to an ac circuit is given by v = 120 sin(60t). What are the rms voltage and the frequency?
A. 120 V, 60 Hz B. 120 V, 380 Hz C. 170 V, 9.5 Hz D. 85 V, 9.5 Hz E. 240 V, 30 Hz
A website's CTA is its call-to-______.
A. advance B. assess C. action D. analyze
A pattern of vibration that simulates a wave that is standing still:
a) Interference b) Standing wave c) Reflection d) Diffraction
How many moles are there in 2.00 kg of copper? The atomic weight of copper is 63.5 g/mol and its density is 8.90 g/cm3
A) 31.5 B) 15.3 C) 53.1 D) 51.3