We are not yet capable of detecting life on planets around other stars. But as our technology develops, our first real chance of detecting such life will probably come from ________.
A) determining the orbital properties of the planets
B) examining high-resolution images of the planets made by orbiting telescopes
C) examining spectral lines from the atmospheres of distant planets
D) sending spacecraft to study the planets up close
Question 2
What do we mean by a geocentric model of the universe?
A) a model of the Milky Way Galaxy that has our solar system located at its center
B) a model designed to explain what we see in the sky while having the Earth orbit the Sun
C) the name given to sphere-shaped models that show all the constellations as they appear in our sky on the celestial sphere
D) a model designed to explain what we see in the sky while having the Earth located in the center of the universe
Male coho salmon exhibit two alternative life history strategies. “Jackâ€ÂÂ
Multiple Planets
Some uses of recombinant DNA technology for making improved vaccines
Molecular tree of life
A. Clara Peeters Still Life with Fruit and Flowers