Astr 1010 Study guides, Class notes & Summaries

A _____ is a new idea that can be tested by experimentation and evidence; the more experiments and evidence which agree with the idea, the more confidence we have that this idea is a good description of the natural world. If any piece of evidence or experimental result disagrees with the idea, the idea needs to be adapted or perhaps completely rejected. correct answers Hypothesis True or false: Current evidence suggests that the scientific laws that have been studied and developed here on Ear...

Total eclipses of both kinds are rare, but is one kind more visible than the other correct answers more people can see a total lunar eclipse What causes the "backwards" motion of planets relative to the stars ("retrograde motion") in the heliocentric model correct answers planets closer to the sun orbit fast In Boulder on the winter solstice the Sun will rise in the ____ and set in the __ correct answers southeast, southwest Your daughter the astronaut calls you from the Moon one da...

ASTR 1010 / Astronomy 1010 Final HW Complete Questions & Answers. One of the most important earlier steps in understanding stars was to group them into classes called spectral types that could offer clues as to why they are different from one another. Shown here are spectra of some main-sequence stars. Before stars were very well understood, they were classified into an order that was based on the relative strength of hydrogen absorption lines, marked by arrows the image shown. Look at the...

15 days correct answers If a solar eclipse occurs today, when might you have a chance to see a lunar eclipse? at the southern horizon correct answers If you are at the Earth's equator, where is the south celestial pole? 39 degrees correct answers If you are at a latitude of 39 degrees north, what is the altitude of the north celestial pole with respect to the northern horizon? New correct answers For a solar eclipse to occur what phase must the moon have? 26,000 years correct answer...

15 days correct answers If a solar eclipse occurs today, when might you have a chance to see a lunar eclipse? at the southern horizon correct answers If you are at the Earth's equator, where is the south celestial pole? 39 degrees correct answers If you are at a latitude of 39 degrees north, what is the altitude of the north celestial pole with respect to the northern horizon? New correct answers For a solar eclipse to occur what phase must the moon have? 26,000 years correct answer...

QUESTIONS AND ANSWERS

dark energy + evidence correct answers a mysterious repulsive force that appears to be causing the expansion of the universe to accelerate Type Ia supernovae as standard candles; Hbl law says they should be moving faster there; inverse square law for light dictates that dimmer = farther; calculated dstncs to things are even farther than their redshift predicts; they are being pushed away dark matter + evidence correct answers matter (gravity, attractive force) that does not give off electr...

Total eclipses of both kinds are rare, but is one kind more visible than the other correct answers more people can see a total lunar eclipse What causes the "backwards" motion of planets relative to the stars ("retrograde motion") in the heliocentric model correct answers planets closer to the sun orbit fast In Boulder on the winter solstice the Sun will rise in the ____ and set in the __ correct answers southeast, southwest Your daughter the astronaut calls you from the Moon one da...

ASTR 1010 Final Review 2023/2024 already graded A+