Geography

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Venus has dense clouds and thick atmosphere, yet there is no evidence for water on the surface. Why? Started by newyorker26	1 Replies 35 Views	Feb 28, 2020 by millet
Why has it been so difficult to examine the surface of Venus with unmanned probes? Started by charchew	1 Replies 42 Views	Feb 28, 2020 by Jadwiga9
The largest known volcano in the solar system is ________. Started by crobinson2013	1 Replies 23 Views	Feb 28, 2020 by xthemafja
Compared to Earth's atmosphere, the atmosphere of Mars has surface pressures that are ________. Started by biggirl4568	1 Replies 70 Views	Feb 28, 2020 by asware1
________ are found both on Mars and Earth. Started by james	1 Replies 23 Views	Feb 28, 2020 by maaaaaaaaaa
Which one of the following is not found on Mars? Started by jjjetplane	1 Replies 22 Views	Feb 28, 2020 by dantucker
Why do lunar scientists think the surface of the Moon was once a magma ocean? Started by ts19998	1 Replies 20 Views	Feb 28, 2020 by emily12345
We know from the Apollo missions and unmanned probes that the Moon's surface is covered with loose, ... Started by eruditmonkey@yahoo.com	1 Replies 37 Views	Feb 28, 2020 by eliasc0401
Rayed craters like Tyco and Copernicus are known to be younger than the lunar maria because ________. Started by WWatsford	1 Replies 105 Views	Feb 28, 2020 by Athena23
The most popular theory for the origin of the Moon today is ________. Started by Jkov05	1 Replies 31 Views	Feb 28, 2020 by shailee
Which of these lunar features is the oldest? Started by charchew	1 Replies 26 Views	Feb 28, 2020 by elyse44
Consider the below image of a crater on the Moon.Why would you not expect to see a similar landscape ... Started by BRWH	1 Replies 20 Views	Feb 28, 2020 by guyanai
Which one of the following is most likely to be associated both with impact craters and with ... Started by fasfsadfdsfa	1 Replies 19 Views	Feb 28, 2020 by bimper21
Which of the following characterizes the history of impacts on Earth as deduced by impact history on ... Started by SAVANNAHHOOPER23	1 Replies 30 Views	Feb 28, 2020 by mcomstock09
What is a popular theory for the difference in atmospheres of the Jovian planets versus terrestrial planets? Started by JGIBBSON	1 Replies 98 Views	Feb 28, 2020 by ASDFGJLO
What atmospheric gas is common in the outer planets but rare in the inner planets? Started by joesmith1212	1 Replies 36 Views	Feb 28, 2020 by Zack0mack0101@yahoo.com
Which observation supports the theory that the planets formed from a disk shaped nebula? Started by stephzh	1 Replies 45 Views	Feb 28, 2020 by Yixagurpuldink
The ________ explains how our solar system probably formed from a giant cloud of gases and dispersed ... Started by jessicacav	1 Replies 43 Views	Feb 28, 2020 by ryhom
Use Figure 21.26 below to help explain the difference between the sidereal and synodic month.In the ... Started by stevenposner	1 Replies 40 Views	Feb 28, 2020 by Animal_Goddess
Briefly discuss the various motions of Earth. What motion is often mistakenly credited for causing ... Started by craiczarry	1 Replies 22 Views	Feb 28, 2020 by parshano
If the earth were the center of the universe and the Moon, planets, and Sun all moved around the ... Started by mckennatimberlake	1 Replies 24 Views	Feb 28, 2020 by yasmin
When Earth is closest to the Sun, its location is referred to as the ________ position. Started by littleanan	1 Replies 22 Views	Feb 28, 2020 by mcarey591
When the Sun crosses the celestial equator, and day and night are of equal length around the globe, ... Started by lidoalex	1 Replies 34 Views	Feb 28, 2020 by nmyers
Patterns or configurations of stars named in honor of mythological characters are called ________. Started by 2125004343	1 Replies 31 Views	Feb 28, 2020 by stillxalice
One of the discoveries that led to the modern view of the solar system was that the orbits of the ... Started by NClaborn	1 Replies 37 Views	Feb 28, 2020 by kkenney