Choose the best description of the transit method of locating exoplanets. Using a telescope, wobble can be detected from the effect that the planet's gravity has on the star.
By aiming powerful telescopes directly at star systems astronomers are able to detect larger planets.
When a planet passes between a star and an observer the luminosity of the star is reduced by a small amount.
Using satellite based telescopes in different locations astronomers are able use parallax calculations to determine if there are planets in orbit around a star.

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

The organelle pictured is found in cells of and is theorized to have once been an independent organism.