ASTR 1101|157 Final Exam Questions Solved Correctly|2024

A black car left in the sunlight becomes hotter than a white car left in the sunlight under the same conditions because - ️️the white car reflects more sunlight than the black car. A planet is detected via the Doppler technique. The velocity change of the star is a measure of - ️️the planet's mass and orbital distance. A planet will have bands in its atmosphere like Jupiter and Saturn if - ️️the planet has a high temperature. A prism is able to spread white light out into a spectrum of colors based on the property of - ️️refraction A spacecraft traveling through the asteroid belt has a high risk of being destroyed through a collision. - ️️false A spaceship is traveling from planet B on the left, toward planet A on the right. The spaceship is traveling at a speed of 15,000 km/s to the left while it send out a signal with a wavelength of 4 m.If astronomers living on planets A and B measure the radio waves coming from the spaceship, what wavelengths will the measure? - ️️Both Planet A and B measure 4 m. A star of spectral type G lives approximately how long on the main sequence? - ️️10 billion years A typical shooting star in a meteor shower is caused by a __________ entering Earth's atmosphere. - ️️pea-sized particle from a comet All stars spend approximately the same amount of time on the main sequence. - ️️false Antarctica is the best hunting ground for meteorites for all of the following reasons except - ️️more meteorites fall there than other locations on Earth. Any of the following properties could be plotted on the horizontal axis of an H-R diagram except for: - ️️Luminosity As a blackbody's temperature increases, it also becomes __________ and __________. - ️️more luminous; bluer As wavelength increases, the energy of a photon __________ and its frequency __________. - ️️decreases; decreases Astronomers can use ground-based telescopes to observe in the majority of which of the following parts of the electromagnetic spectrum? - ️️visible and infrared