The ________ around a star is the region where liquid water could exist on a planet
Fill in the blank(s) with correct word
habitable zone
You might also like to view...
Why do scientists think the Cassini spacecraft did not observe "spokes" on the rings during the first year of its visit with Saturn?
A) The "spokes" observed before were a phenomenon of the Voyager 2 camera. B) The "spokes" are not a regular phenomenon of Saturn's rings. They occur only in certain seasons. C) The "spokes" are related to Saturn's magnetic field and the Cassini spacecraft was located inside Saturn's magnetic field, while Voyager 2 was not. D) The Cassini spacecraft was not looking in the right part of Saturn's ring system to see the "spokes". E) To see the "spokes," a particular alignment of the rings with the Sun is necessary and it took one year for that alignment to reoccur.
If a galaxy is receding at 0.10 c, how far away is the galaxy if the Hubble parameter is 70 km/s/Mpc?
A) 1.4 × 109 ly B) 23 Mpc C) 76 Mly D) 7 Mpc E) 1.4 × 107 ly
What are the two geological features that appear to set Earth apart from all the other terrestrial worlds?
A) plate tectonics and a high level of erosion B) a dense core and plate tectonics C) significant volcanism and tectonics D) mantle convection and a thick atmosphere
In the NSOM technique, the letter S stands for:
a. slow. c. scanning. b. small. d. swift.