Venus

1

• Venus
• Earths Sister Planet

2
Venus ( Song By..)
3
Venus

• Venus has _________________ like our Moon.
• Venus is always seen near the Sun as a
  ______________________" or _____________________
  ______

4
Venus Revolution

• Semimajor axis ___________________
• Very _________________________ orbit
• Orbital period _____________________

5
Venus Facts

• closest size and composition to _________________
• Density ___________
• Axis Tilt.____________
• ________ moons

6
Venus Rotation

• The surface of Venus is obscured by
  __________________________
• Radar Measurement detect a sidereal rotation
  period of _____________________
• One solar day on Venus is ____________
• __________________________________

7
Venus

• _____________________ Venus is the
• only planet that rotates "backwards".
• (______________ days for one rotation)

8
(No Transcript)
9
Venus seen from Earth

• Venus can never be more than
• _________degrees from the Sun

10
Venus Facts

• closest size and composition to Earth
• hottest planet due to ________________gasses (900
  degrees F)
• _______ moons
• day is ______________ days
• year is ____________ days
• ____________________atmosphere
• soviet _____________ only lasted 30 minutes

11
The surface temperature on Venusis between
____________deg C, making it the ____________
planet in the Solar System
12
Interior of Venus
13
Venus

• The surface is completely hidden beneath a
  ____________________
• _______________________.

14

• Carbon Dioxide___________
• Nitrogen ____________
• Atmospheric pressure ____________________________
  _

15
(No Transcript)
16
(No Transcript)
17
(No Transcript)
18
(No Transcript)
19
View of the surface

• 1st view of the surface used ___________
• From ____________________on the Earth
• Current maps were made using orbiting
  _____________________ which use
  ________________________

20
(No Transcript)
21
US Exploration of Venus

• ___________ 2, 5 (1962, 19____)
• 35,000 km flyby
• Mariner ______(1974) 6,000 km flyby
• ______________ Venus (1978)
• atmospheric probes
• low resolution ___________ mapping
• ___________________ 1990
• _________ resolution maps
• excellent ______________________

22
Terrain on Venus

• _________________
• highland in Northern Hemisphere
• ________________________
• surface buckling
• _______________ largest crater on Venus
• _________________Crater

23
Terrain of Venus

• ____ Venus is _____________plains
• similar to ____________ ocean floor on Earth
• 2 uplift _________________ or continent features
• Surface Features
• 1. ______________Domes or _______________
  volcanoes
• 2. A ______________ Craters
• 3. no ______________________ activity

24
__________________ Volcanoes Eruptions of very
thick lava
25
Magnetic Field

• What two conditions are need for Magnetic Field
• Metallic core
• Fast Rotation
• Veus no ______________
• Very ______________ rotation

26
(No Transcript)
27
The Surface of Venus

• The ___________________surface has been
• mapped with radar by the __________________
  
• spacecraft.
• These maps reveal gently _______________hills,
  ___________continents, and many volcanoes.

28
The Surface of
Venus

• The Venusian surface has been mapped with radar
  by the ______________________ spacecraft.
• There are relatively few ________________
  craters. Perhaps melting of the surface has
  erased _________________ craters.

29
Venus Summary

• Although Venus has a similar ________________
• and _________________ as the Earth, it is a very
  different place owing to the _____________________
  ____________
• The temperature at the surface is about
  ___________.
• The atmospheric _________________ is about
  ____________ times that on the Earth.
• The atmosphere is mostly _________________.

30
(No Transcript)