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Voyage Through Space…
Artist rendition
Spaceship Earth, Our Home
Satellite Composite
What causes the seasons?
A) Earth’s distance from the Sun
B) the tilt of Earth’s axis
C) variations in the Sun’s output
D) the Moon’s gravity
What causes the seasons?
B) the tilt of Earth’s axis
Moon
Phases of the Moon
How long does it take for the Moon to orbit Earth?
A) One day B) One week
C) One month
D) One year
How long does it take for the Moon to orbit Earth?
C) One month(or “moonth”)
Impacts, Collisions, and Moon Formation
Sol
Distance from the Sun to the Earth = 93,000,000 miles
or one AU (Astronomical Unit)
Sun
Solar Prominence
Magnetic view
X-ray view
How fast does light travel How fast does light travel through space?through space?
A) 1 million miles/hourA) 1 million miles/hour B) 93 million miles/secondB) 93 million miles/secondC) 186 miles/secondC) 186 miles/second
D) 186,000 miles/secondD) 186,000 miles/second
D) 186,000 miles/second) 186,000 miles/second
How fast does light travel How fast does light travel through space?through space?
Mercury
Mariner 10 composite images
Venus
Magellanspacecraft, 1991
Venus
AtmosphereSurface
Color-enhanced radar composite image
Magellanspacecraft, 1991
Mars
Mars
Thin atmosphere
Viking spacecraft, composite image
Mars Rover
Surface of Mars
Martian crater
Martian hills
Asteroid beltA field of space debris orbiting our sun, found between Mars’ and
Jupiter’s orbits.
Jupiter
Cassini spacecraft, 2002
Jupiter
Cassini spacecraft, 2002
Great Red Spot Voyager 2, 1979
Which of Jupiter’s moons is thought to possess underground oceans?
A) Amalthea B) Io
C) Europa
D) Himalia
Which of Jupiter’s moons is thought to possess underground oceans?
C) Europa
Europa
Galileo spacecraft, 1996
Saturn
Hubble telescope
Saturn Hubble telescope
Rings of Saturn
Cassini space craft image, 2004
What keeps Saturn’s rings in place?
Uranus
Picture by Voyager 2 Spacecraft, 1986
Uranus
Picture by Voyager 2 Spacecraft, 1986
Which of the following planets has rings?
A) Mercury B) Mars
C) Neptune
D) Pluto
Which of the following planets has rings?
C) Neptune, but they can’t be seen from Earth
Neptune
Voyager 2 spacecraft images, 1989
Pluto
Which of the following objects would appear to streak across the sky?
A) A planet B) A comet
C) A meteor
D) The Moon
Which of the following objects would appear to streak across the sky?
C) A meteor
Comet debris causes meteor showers. Meteors (Shooting stars) streak through our
atmosphere, while comets orbit the sun.
Halley’s comet taken from Hubble
Milky Way Galaxy
Artist rendition
Milky Way Galaxy
Artist’s rendition from recent observations
Roughly how many stars do astronomers think are in the Milky Way Galaxy?
A) 100 thousandB) 1 billion
C) 200-400 billion
D) a trillion
Roughly how many stars do astronomers think are in the Milky Way Galaxy?
C) 200-400 billion
Black Hole
Hubble telescope photo of center of Milky Way
A place where stars are born is called what?
A) a nebula B) an asteroid belt
C) a planetary nebula
D) Hollywood
A place where stars are born is called what?
A) a nebula
Crab Nebula Hubble telescope
N-11, Emulsion Nebulas Hubble telescope
Hourglass Nebula
Hubble telescope
HorseheadNebula
Hubble telescope
Planetary Nebulae
What color star is the hottest?
A) Red B) Blue
C) Yellow
D) Green
What color star is the hottest?
B) Blue, while red stars are the “coolest.”
By comparison, the Sun has a surface temperature of about 11,000 degrees, F.
Filtered telescope
The hottest blue-white stars may have surface temperatures as hot as 72,000 degrees, F.
“Cool” red stars have surface temperatures of about 5000 degrees, F.
The Pleiades Telescope
Betelgeuse
Which of the following will the Sun become when it grows old?
A) A black holeB) A red dwarf
C) A white dwarf
D) A blue giant
Which of the following will the Sun become when it grows old?
C) A white dwarf
Supernova
Supernova remnant
Hubble telescope
Who discovered that the galaxies are moving apart?
A) Enrico Fermi B) Carl Sagan
C) Albert Einstein
D) Edwin Hubble
Who discovered that the galaxies are moving apart?
D) Edwin Hubble...
…after whom the Hubble Space Telescope is named.
Universe
Hubble’s deepest view of space and first galaxies
Astrobiology
First Color View of Titan's Surface
What are we doing to find out if there is life out there in the universe?
Cassini spacecraft
Artist’s renditions
Mars rover
Galileo spacecraft
Photo of International Space Station from space shuttle
First photo of extrasolar planet, Hubble telescope
New Discoveries…
How many planets outside our solar system have been found so far?
A) less than 20 B) 3
C) 1, but it blew up
D) about 80
How many planets outside our solar system have been found so far?
D) about 80...
…many of these “extrasolar planets,” as they’re called, were discovered by Drs. Geoffrey Marcy & Paul Butler of the University of California at Berkeley.
What was most significant about the lunar voyage
Was not that humans set foot on the moon
But that we set eye on the Earth
Hubble telescope view into Sagittarius
