ASTR 1346 TEST 1 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+
what radiation has the shortest wavelength but greatest frequency?
Ans✓✓✓gamma rays
what radiation has the longest wavelength but least frequency?
Ans✓✓✓radio waves
order of electromagnetic spectrum Ans✓✓✓gamma rays, x-rays,
ultraviolet, visible, infrared, microwave, radio
what radiation does not pass through the earth's atmosphere?
Ans✓✓✓gamma, x-ray, and most uv and infrared
what radiation passes through the earth's atmosphere? Ans✓✓✓visible
and radio waves
continuous spectrum Ans✓✓✓light with glass
absorption spectrum Ans✓✓✓heated light source, cool gas, glass
emission spectrum Ans✓✓✓heated gas, glass
, what is the suns spectrum Ans✓✓✓absorption due to its own
atmosphere and that of the earths which create that cool gas interference
(hydrogen, helium, oxygen, iron)
sun's distance form earth Ans✓✓✓1.5X10^8 Km (150 million Km)
sun's mass Ans✓✓✓2x10^30 kg (333,000 X Earth's Mass)
sun's density Ans✓✓✓1400 kg/m3 (1/4 of Earths density)
sun's effective temperature Ans✓✓✓5800 K (surface temp)
sun's luminosity Ans✓✓✓3.85X10^26 watts
sun's axial tilt Ans✓✓✓7.25 degrees
sun's equatorial rotation period Ans✓✓✓25 days
sun's 60 degree latitude rotation period Ans✓✓✓31 days
sun's rotation period near the poles Ans✓✓✓36 days
ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+
what radiation has the shortest wavelength but greatest frequency?
Ans✓✓✓gamma rays
what radiation has the longest wavelength but least frequency?
Ans✓✓✓radio waves
order of electromagnetic spectrum Ans✓✓✓gamma rays, x-rays,
ultraviolet, visible, infrared, microwave, radio
what radiation does not pass through the earth's atmosphere?
Ans✓✓✓gamma, x-ray, and most uv and infrared
what radiation passes through the earth's atmosphere? Ans✓✓✓visible
and radio waves
continuous spectrum Ans✓✓✓light with glass
absorption spectrum Ans✓✓✓heated light source, cool gas, glass
emission spectrum Ans✓✓✓heated gas, glass
, what is the suns spectrum Ans✓✓✓absorption due to its own
atmosphere and that of the earths which create that cool gas interference
(hydrogen, helium, oxygen, iron)
sun's distance form earth Ans✓✓✓1.5X10^8 Km (150 million Km)
sun's mass Ans✓✓✓2x10^30 kg (333,000 X Earth's Mass)
sun's density Ans✓✓✓1400 kg/m3 (1/4 of Earths density)
sun's effective temperature Ans✓✓✓5800 K (surface temp)
sun's luminosity Ans✓✓✓3.85X10^26 watts
sun's axial tilt Ans✓✓✓7.25 degrees
sun's equatorial rotation period Ans✓✓✓25 days
sun's 60 degree latitude rotation period Ans✓✓✓31 days
sun's rotation period near the poles Ans✓✓✓36 days
